55555000531 has 2 divisors, whose sum is σ = 55555000532. Its totient is φ = 55555000530.

The previous prime is 55555000483. The next prime is 55555000541. The reversal of 55555000531 is 13500055555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55555000531 - 2³⁵ = 21195262163 is a prime.

It is a super-2 number, since 2×55555000531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55555000541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777500265 + 27777500266.

It is an arithmetic number, because the mean of its divisors is an integer number (27777500266).

Almost surely, 2^55555000531 is an apocalyptic number.

55555000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555000531 is an equidigital number, since it uses as much as digits as its factorization.

55555000531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46875, while the sum is 34.

The spelling of 55555000531 in words is "fifty-five billion, five hundred fifty-five million, five hundred thirty-one", and thus it is an aban number.