55625211615 has 64 divisors (see below), whose sum is σ = 93563154432. Its totient is φ = 28182988800.

The previous prime is 55625211583. The next prime is 55625211667. The reversal of 55625211615 is 51611252655.

It is not a de Polignac number, because 55625211615 - 2⁵ = 55625211583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16818792 + ... + 16822098.

It is an arithmetic number, because the mean of its divisors is an integer number (1461924288).

Almost surely, 2^55625211615 is an apocalyptic number.

55625211615 is a deficient number, since it is larger than the sum of its proper divisors (37937942817).

55625211615 is a wasteful number, since it uses less digits than its factorization.

55625211615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

The product of its digits is 90000, while the sum is 39.

The spelling of 55625211615 in words is "fifty-five billion, six hundred twenty-five million, two hundred eleven thousand, six hundred fifteen".