54597661631 has 2 divisors, whose sum is σ = 54597661632. Its totient is φ = 54597661630.

The previous prime is 54597661477. The next prime is 54597661673. The reversal of 54597661631 is 13616679545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54597661631 is a prime.

It is a super-2 number, since 2×54597661631² (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 (54597661231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27298830815 + 27298830816.

It is an arithmetic number, because the mean of its divisors is an integer number (27298830816).

Almost surely, 2^54597661631 is an apocalyptic number.

54597661631 is a deficient number, since it is larger than the sum of its proper divisors (1).

54597661631 is an equidigital number, since it uses as much as digits as its factorization.

54597661631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 54597661631 in words is "fifty-four billion, five hundred ninety-seven million, six hundred sixty-one thousand, six hundred thirty-one".