55425975556 has 24 divisors (see below), whose sum is σ = 111037046400. Its totient is φ = 23714326272.

The previous prime is 55425975427. The next prime is 55425975557. The reversal of 55425975556 is 65557952455.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55425975556.

It is not an unprimeable number, because it can be changed into a prime (55425975557) 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, 1635565 + ... + 1669108.

It is an arithmetic number, because the mean of its divisors is an integer number (4626543600).

Almost surely, 2^55425975556 is an apocalyptic number.

It is an amenable number.

55425975556 is an abundant number, since it is smaller than the sum of its proper divisors (55611070844).

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

55425975556 is a wasteful number, since it uses less digits than its factorization.

55425975556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305283 (or 3305281 counting only the distinct ones).

The product of its digits is 47250000, while the sum is 58.

The spelling of 55425975556 in words is "fifty-five billion, four hundred twenty-five million, nine hundred seventy-five thousand, five hundred fifty-six".