55033620215 has 16 divisors (see below), whose sum is σ = 75488811840. Its totient is φ = 37730273280.

The previous prime is 55033620199. The next prime is 55033620227. The reversal of 55033620215 is 51202633055.

55033620215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55033620215 - 2⁴ = 55033620199 is a prime.

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, 45941 + ... + 334929.

It is an arithmetic number, because the mean of its divisors is an integer number (4718050740).

Almost surely, 2^55033620215 is an apocalyptic number.

55033620215 is a deficient number, since it is larger than the sum of its proper divisors (20455191625).

55033620215 is a wasteful number, since it uses less digits than its factorization.

55033620215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294442.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 55033620215 in words is "fifty-five billion, thirty-three million, six hundred twenty thousand, two hundred fifteen".