55553094531 has 12 divisors (see below), whose sum is σ = 87538209720. Its totient is φ = 33668542080.

The previous prime is 55553094491. The next prime is 55553094559. The reversal of 55553094531 is 13549035555.

55553094531 is a `hidden beast` number, since 5 + 5 + 553 + 0 + 94 + 5 + 3 + 1 = 666.

It is not a de Polignac number, because 55553094531 - 2⁷ = 55553094403 is a prime.

It is a super-2 number, since 2×55553094531² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55553094031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280571086 + ... + 280571283.

It is an arithmetic number, because the mean of its divisors is an integer number (7294850810).

Almost surely, 2^55553094531 is an apocalyptic number.

55553094531 is a deficient number, since it is larger than the sum of its proper divisors (31985115189).

55553094531 is a wasteful number, since it uses less digits than its factorization.

55553094531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561142386 (or 561142383 counting only the distinct ones).

The product of its (nonzero) digits is 1012500, while the sum is 45.

The spelling of 55553094531 in words is "fifty-five billion, five hundred fifty-three million, ninety-four thousand, five hundred thirty-one".