55573978152 has 64 divisors (see below), whose sum is σ = 173217600000. Its totient is φ = 14434799040.

The previous prime is 55573978099. The next prime is 55573978157. The reversal of 55573978152 is 25187937555.

55573978152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55573978092 and 55573978101.

It is not an unprimeable number, because it can be changed into a prime (55573978157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15034402 + ... + 15038097.

It is an arithmetic number, because the mean of its divisors is an integer number (2706525000).

Almost surely, 2^55573978152 is an apocalyptic number.

It is an amenable number.

55573978152 is an abundant number, since it is smaller than the sum of its proper divisors (117643621848).

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

55573978152 is a wasteful number, since it uses less digits than its factorization.

55573978152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30072526 (or 30072522 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 57.

The spelling of 55573978152 in words is "fifty-five billion, five hundred seventy-three million, nine hundred seventy-eight thousand, one hundred fifty-two".