55102157013 has 16 divisors (see below), whose sum is σ = 77349240320. Its totient is φ = 34795566576.

The previous prime is 55102156999. The next prime is 55102157039. The reversal of 55102157013 is 31075120155.

It is not a de Polignac number, because 55102157013 - 2¹⁰ = 55102155989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102157053) 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, 278706 + ... + 433452.

It is an arithmetic number, because the mean of its divisors is an integer number (4834327520).

Almost surely, 2^55102157013 is an apocalyptic number.

It is an amenable number.

55102157013 is a deficient number, since it is larger than the sum of its proper divisors (22247083307).

55102157013 is a wasteful number, since it uses less digits than its factorization.

55102157013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161016.

The product of its (nonzero) digits is 5250, while the sum is 30.

Adding to 55102157013 its reverse (31075120155), we get a palindrome (86177277168).

The spelling of 55102157013 in words is "fifty-five billion, one hundred two million, one hundred fifty-seven thousand, thirteen".