55154372256 has 60 divisors (see below), whose sum is σ = 162207484362. Its totient is φ = 18384789888.

The previous prime is 55154372237. The next prime is 55154372293. The reversal of 55154372256 is 65227345155.

It is a happy number.

55154372256 is a `hidden beast` number, since 5 + 51 + 543 + 7 + 2 + 2 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55076579856 + 77792400 = 234684^2 + 8820^2 .

It is a super-3 number, since 3×55154372256³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10636755 + ... + 10641938.

Almost surely, 2^55154372256 is an apocalyptic number.

It is an amenable number.

55154372256 is an abundant number, since it is smaller than the sum of its proper divisors (107053112106).

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

55154372256 is a wasteful number, since it uses less digits than its factorization.

55154372256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21278715 (or 21278698 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The spelling of 55154372256 in words is "fifty-five billion, one hundred fifty-four million, three hundred seventy-two thousand, two hundred fifty-six".