55012244553 has 40 divisors (see below), whose sum is σ = 94224833472. Its totient is φ = 31333073184.

The previous prime is 55012244513. The next prime is 55012244561. The reversal of 55012244553 is 35544221055.

55012244553 is a `hidden beast` number, since 5 + 50 + 12 + 2 + 44 + 553 = 666.

It is not a de Polignac number, because 55012244553 - 2¹² = 55012240457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55012244513) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16051 + ... + 332087.

Almost surely, 2^55012244553 is an apocalyptic number.

It is an amenable number.

55012244553 is a deficient number, since it is larger than the sum of its proper divisors (39212588919).

55012244553 is a wasteful number, since it uses less digits than its factorization.

55012244553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316363 (or 316354 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 55012244553 in words is "fifty-five billion, twelve million, two hundred forty-four thousand, five hundred fifty-three".