50554055531 has 8 divisors (see below), whose sum is σ = 58955167200. Its totient is φ = 43332047304.

The previous prime is 50554055501. The next prime is 50554055533. The reversal of 50554055531 is 13555045505.

It is a happy number.

It is not a de Polignac number, because 50554055531 - 2¹⁸ = 50553793387 is a prime.

It is a super-2 number, since 2×50554055531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50554055533) 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 in 7 ways as a sum of consecutive naturals, for example, 73693616 + ... + 73694301.

It is an arithmetic number, because the mean of its divisors is an integer number (7369395900).

Almost surely, 2^50554055531 is an apocalyptic number.

50554055531 is a deficient number, since it is larger than the sum of its proper divisors (8401111669).

50554055531 is an equidigital number, since it uses as much as digits as its factorization.

50554055531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147387938 (or 147387924 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 50554055531 in words is "fifty billion, five hundred fifty-four million, fifty-five thousand, five hundred thirty-one".