55203640429179 has 48 divisors (see below), whose sum is σ = 81367032131840. Its totient is φ = 33265553428800.

The previous prime is 55203640429169. The next prime is 55203640429183. The reversal of 55203640429179 is 97192404630255.

It is not a de Polignac number, because 55203640429179 - 2²⁴ = 55203623651963 is a prime.

It is a super-2 number, since 2×55203640429179² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55203640429139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355967034 + ... + 356122080.

Almost surely, 2^{55203640429179} is an apocalyptic number.

55203640429179 is a deficient number, since it is larger than the sum of its proper divisors (26163391702661).

55203640429179 is a wasteful number, since it uses less digits than its factorization.

55203640429179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160672 (or 160661 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 55203640429179 in words is "fifty-five trillion, two hundred three billion, six hundred forty million, four hundred twenty-nine thousand, one hundred seventy-nine".