55841040 has 60 divisors (see below), whose sum is σ = 187535244. Its totient is φ = 14890752.

The previous prime is 55841021. The next prime is 55841069. The reversal of 55841040 is 4014855.

55841040 is a `hidden beast` number, since 558 + 4 + 104 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 41370624 = 3804^2 + 6432^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 55840995 and 55841013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38059 + ... + 39498.

Almost surely, 2^55841040 is an apocalyptic number.

It is an amenable number.

55841040 is an abundant number, since it is smaller than the sum of its proper divisors (131694204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55841040 is a wasteful number, since it uses less digits than its factorization.

55841040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77576 (or 77567 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 55841040 is about 7472.6862639883. The cubic root of 55841040 is about 382.2238940395.

Adding to 55841040 its reverse (4014855), we get a palindrome (59855895).

The spelling of 55841040 in words is "fifty-five million, eight hundred forty-one thousand, forty".