53377505631 has 24 divisors (see below), whose sum is σ = 80299674000. Its totient is φ = 35432240832.

The previous prime is 53377505627. The next prime is 53377505639. The reversal of 53377505631 is 13650577335.

53377505631 is a `hidden beast` number, since 5 + 3 + 3 + 7 + 7 + 5 + 0 + 5 + 631 = 666.

It is not a de Polignac number, because 53377505631 - 2² = 53377505627 is a prime.

It is a super-2 number, since 2×53377505631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53377505639) 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 23 ways as a sum of consecutive naturals, for example, 414756 + ... + 527993.

It is an arithmetic number, because the mean of its divisors is an integer number (3345819750).

Almost surely, 2^53377505631 is an apocalyptic number.

53377505631 is a deficient number, since it is larger than the sum of its proper divisors (26922168369).

53377505631 is an equidigital number, since it uses as much as digits as its factorization.

53377505631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942997 (or 942985 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 45.

The spelling of 53377505631 in words is "fifty-three billion, three hundred seventy-seven million, five hundred five thousand, six hundred thirty-one".