55210544015 has 16 divisors (see below), whose sum is σ = 72508041216. Its totient is φ = 40024000800.

The previous prime is 55210544009. The next prime is 55210544017. The reversal of 55210544015 is 51044501255.

It is not a de Polignac number, because 55210544015 - 2⁶ = 55210543951 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 (55210544017) 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, 1596767 + ... + 1630976.

It is an arithmetic number, because the mean of its divisors is an integer number (4531752576).

Almost surely, 2^55210544015 is an apocalyptic number.

55210544015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55210544015 is a deficient number, since it is larger than the sum of its proper divisors (17297497201).

55210544015 is a wasteful number, since it uses less digits than its factorization.

55210544015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228070.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 55210544015 in words is "fifty-five billion, two hundred ten million, five hundred forty-four thousand, fifteen".