54248563631 has 2 divisors, whose sum is σ = 54248563632. Its totient is φ = 54248563630.

The previous prime is 54248563627. The next prime is 54248563693. The reversal of 54248563631 is 13636584245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54248563631 - 2² = 54248563627 is a prime.

It is a super-2 number, since 2×54248563631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54248463631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27124281815 + 27124281816.

It is an arithmetic number, because the mean of its divisors is an integer number (27124281816).

Almost surely, 2^54248563631 is an apocalyptic number.

54248563631 is a deficient number, since it is larger than the sum of its proper divisors (1).

54248563631 is an equidigital number, since it uses as much as digits as its factorization.

54248563631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 47.

The spelling of 54248563631 in words is "fifty-four billion, two hundred forty-eight million, five hundred sixty-three thousand, six hundred thirty-one".