55055597570 has 16 divisors (see below), whose sum is σ = 104315869440. Its totient is φ = 20863173744.

The previous prime is 55055597563. The next prime is 55055597617. The reversal of 55055597570 is 7579555055.

It is a happy number.

It is a super-2 number, since 2×55055597570² (a number of 22 digits) contains 22 as substring.

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, 144882962 + ... + 144883341.

It is an arithmetic number, because the mean of its divisors is an integer number (6519741840).

Almost surely, 2^55055597570 is an apocalyptic number.

55055597570 is a deficient number, since it is larger than the sum of its proper divisors (49260271870).

55055597570 is a wasteful number, since it uses less digits than its factorization.

55055597570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289766329.

The product of its (nonzero) digits is 6890625, while the sum is 53.

The spelling of 55055597570 in words is "fifty-five billion, fifty-five million, five hundred ninety-seven thousand, five hundred seventy".