55005015516 has 48 divisors (see below), whose sum is σ = 148248817920. Its totient is φ = 15687704320.

The previous prime is 55005015511. The next prime is 55005015521. The reversal of 55005015516 is 61551050055.

It is an interprime number because it is at equal distance from previous prime (55005015511) and next prime (55005015521).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005015511) 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, 12253776 + ... + 12258263.

It is an arithmetic number, because the mean of its divisors is an integer number (3088517040).

Almost surely, 2^55005015516 is an apocalyptic number.

It is an amenable number.

55005015516 is an abundant number, since it is smaller than the sum of its proper divisors (93243802404).

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

55005015516 is a wasteful number, since it uses less digits than its factorization.

55005015516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24512074 (or 24512072 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55005015516 in words is "fifty-five billion, five million, fifteen thousand, five hundred sixteen".