54630731 has 2 divisors, whose sum is σ = 54630732. Its totient is φ = 54630730.

The previous prime is 54630703. The next prime is 54630749. The reversal of 54630731 is 13703645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54630731 - 2²² = 50436427 is a prime.

It is a super-2 number, since 2×54630731² = 5969033539188722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54630694 and 54630703.

It is not a weakly prime, because it can be changed into another prime (54630761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315365 + 27315366.

It is an arithmetic number, because the mean of its divisors is an integer number (27315366).

Almost surely, 2^54630731 is an apocalyptic number.

54630731 is a deficient number, since it is larger than the sum of its proper divisors (1).

54630731 is an equidigital number, since it uses as much as digits as its factorization.

54630731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 54630731 is about 7391.2604473121. The cubic root of 54630731 is about 379.4422357304.

The spelling of 54630731 in words is "fifty-four million, six hundred thirty thousand, seven hundred thirty-one".