55100550045515 has 32 divisors (see below), whose sum is σ = 71411431605696. Its totient is φ = 40572813980160.

The previous prime is 55100550045509. The next prime is 55100550045557. The reversal of 55100550045515 is 51554005500155.

It is a happy number.

It is not a de Polignac number, because 55100550045515 - 2⁴² = 50702503534411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72988085 + ... + 73739145.

It is an arithmetic number, because the mean of its divisors is an integer number (2231607237678).

Almost surely, 2^{55100550045515} is an apocalyptic number.

55100550045515 is a deficient number, since it is larger than the sum of its proper divisors (16310881560181).

55100550045515 is a wasteful number, since it uses less digits than its factorization.

55100550045515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754319.

The product of its (nonzero) digits is 312500, while the sum is 41.

The spelling of 55100550045515 in words is "fifty-five trillion, one hundred billion, five hundred fifty million, forty-five thousand, five hundred fifteen".