55197929017 has 32 divisors (see below), whose sum is σ = 73390786560. Its totient is φ = 40189927680.

The previous prime is 55197928999. The next prime is 55197929183. The reversal of 55197929017 is 71092979155.

It is a happy number.

55197929017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55197929017 - 2²³ = 55189540409 is a prime.

It is a super-2 number, since 2×55197929017² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55197929617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30268 + ... + 333634.

It is an arithmetic number, because the mean of its divisors is an integer number (2293462080).

Almost surely, 2^55197929017 is an apocalyptic number.

It is an amenable number.

55197929017 is a deficient number, since it is larger than the sum of its proper divisors (18192857543).

55197929017 is a wasteful number, since it uses less digits than its factorization.

55197929017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303541.

The product of its (nonzero) digits is 1786050, while the sum is 55.

The spelling of 55197929017 in words is "fifty-five billion, one hundred ninety-seven million, nine hundred twenty-nine thousand, seventeen".