55261553774 has 8 divisors (see below), whose sum is σ = 94734092208. Its totient is φ = 23683523040.

The previous prime is 55261553747. The next prime is 55261553791. The reversal of 55261553774 is 47735516255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973626907 + ... + 1973626934.

It is an arithmetic number, because the mean of its divisors is an integer number (11841761526).

Almost surely, 2^55261553774 is an apocalyptic number.

55261553774 is a deficient number, since it is larger than the sum of its proper divisors (39472538434).

55261553774 is a wasteful number, since it uses less digits than its factorization.

55261553774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947253850.

The product of its digits is 4410000, while the sum is 50.

The spelling of 55261553774 in words is "fifty-five billion, two hundred sixty-one million, five hundred fifty-three thousand, seven hundred seventy-four".