50954821631 has 12 divisors (see below), whose sum is σ = 59281418160. Its totient is φ = 43670077920.

The previous prime is 50954821609. The next prime is 50954821657. The reversal of 50954821631 is 13612845905.

It is a happy number.

It is not a de Polignac number, because 50954821631 - 2¹⁰ = 50954820607 is a prime.

It is a super-2 number, since 2×50954821631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50954821601) 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, 356510 + ... + 478548.

It is an arithmetic number, because the mean of its divisors is an integer number (4940118180).

Almost surely, 2^50954821631 is an apocalyptic number.

50954821631 is a deficient number, since it is larger than the sum of its proper divisors (8326596529).

50954821631 is a wasteful number, since it uses less digits than its factorization.

50954821631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130574 (or 130567 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 50954821631 in words is "fifty billion, nine hundred fifty-four million, eight hundred twenty-one thousand, six hundred thirty-one".