55836631 has 2 divisors, whose sum is σ = 55836632. Its totient is φ = 55836630.

The previous prime is 55836607. The next prime is 55836643. The reversal of 55836631 is 13663855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55836631 - 2⁷ = 55836503 is a prime.

It is a super-2 number, since 2×55836631² = 6235458722860322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55836691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27918315 + 27918316.

It is an arithmetic number, because the mean of its divisors is an integer number (27918316).

Almost surely, 2^55836631 is an apocalyptic number.

55836631 is a deficient number, since it is larger than the sum of its proper divisors (1).

55836631 is an equidigital number, since it uses as much as digits as its factorization.

55836631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 55836631 is about 7472.3912504633. The cubic root of 55836631 is about 382.2138341176.

The spelling of 55836631 in words is "fifty-five million, eight hundred thirty-six thousand, six hundred thirty-one".