55706831952 has 40 divisors (see below), whose sum is σ = 145007876640. Its totient is φ = 18427194240.

The previous prime is 55706831911. The next prime is 55706831969. The reversal of 55706831952 is 25913860755.

It is a happy number.

It is a super-2 number, since 2×55706831952² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55706831895 and 55706831904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423327 + ... + 4435902.

It is an arithmetic number, because the mean of its divisors is an integer number (3625196916).

Almost surely, 2^55706831952 is an apocalyptic number.

It is an amenable number.

55706831952 is an abundant number, since it is smaller than the sum of its proper divisors (89301044688).

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

55706831952 is a wasteful number, since it uses less digits than its factorization.

55706831952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859371 (or 8859365 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 55706831952 in words is "fifty-five billion, seven hundred six million, eight hundred thirty-one thousand, nine hundred fifty-two".