55756720552 has 32 divisors (see below), whose sum is σ = 113678772480. Its totient is φ = 25484022720.

The previous prime is 55756720549. The next prime is 55756720583. The reversal of 55756720552 is 25502765755.

55756720552 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 = 55756720496 and 55756720505.

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, 2591824 + ... + 2613247.

It is an arithmetic number, because the mean of its divisors is an integer number (3552461640).

Almost surely, 2^55756720552 is an apocalyptic number.

55756720552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55756720552 is an abundant number, since it is smaller than the sum of its proper divisors (57922051928).

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

55756720552 is a wasteful number, since it uses less digits than its factorization.

55756720552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205193 (or 5205189 counting only the distinct ones).

The product of its (nonzero) digits is 3675000, while the sum is 49.

The spelling of 55756720552 in words is "fifty-five billion, seven hundred fifty-six million, seven hundred twenty thousand, five hundred fifty-two".