55215027836 has 48 divisors (see below), whose sum is σ = 99816725568. Its totient is φ = 26707968000.

The previous prime is 55215027797. The next prime is 55215027859. The reversal of 55215027836 is 63872051255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16664516 + ... + 16667828.

It is an arithmetic number, because the mean of its divisors is an integer number (2079515116).

Almost surely, 2^55215027836 is an apocalyptic number.

It is an amenable number.

55215027836 is a deficient number, since it is larger than the sum of its proper divisors (44601697732).

55215027836 is a wasteful number, since it uses less digits than its factorization.

55215027836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182 (or 4180 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 55215027836 in words is "fifty-five billion, two hundred fifteen million, twenty-seven thousand, eight hundred thirty-six".