55712045 has 12 divisors (see below), whose sum is σ = 69244500. Its totient is φ = 43029504.

The previous prime is 55712029. The next prime is 55712057. The reversal of 55712045 is 54021755.

It can be written as a sum of positive squares in 6 ways, for example, as 1630729 + 54081316 = 1277^2 + 7354^2 .

It is not a de Polignac number, because 55712045 - 2⁴ = 55712029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 55711999 and 55712017.

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, 2420 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (5770375).

Almost surely, 2^55712045 is an apocalyptic number.

It is an amenable number.

55712045 is a deficient number, since it is larger than the sum of its proper divisors (13532455).

55712045 is a wasteful number, since it uses less digits than its factorization.

55712045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312 (or 13283 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55712045 is about 7464.0501740007. The cubic root of 55712045 is about 381.9293497075.

The spelling of 55712045 in words is "fifty-five million, seven hundred twelve thousand, forty-five".