55056043331 has 8 divisors (see below), whose sum is σ = 55459971840. Its totient is φ = 54652921992.

The previous prime is 55056043321. The next prime is 55056043349. The reversal of 55056043331 is 13334065055.

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

It is a cyclic number.

It is not a de Polignac number, because 55056043331 - 2²⁶ = 54988934467 is a prime.

It is a super-2 number, since 2×55056043331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55056043291 and 55056043300.

It is not an unprimeable number, because it can be changed into a prime (55056043321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64535 + ... + 338048.

It is an arithmetic number, because the mean of its divisors is an integer number (6932496480).

Almost surely, 2^55056043331 is an apocalyptic number.

55056043331 is a deficient number, since it is larger than the sum of its proper divisors (403928509).

55056043331 is a wasteful number, since it uses less digits than its factorization.

55056043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403585.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 55056043331 in words is "fifty-five billion, fifty-six million, forty-three thousand, three hundred thirty-one".