55904713 has 2 divisors, whose sum is σ = 55904714. Its totient is φ = 55904712.

The previous prime is 55904701. The next prime is 55904741. The reversal of 55904713 is 31740955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45198729 + 10705984 = 6723^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 55904713 - 2⁹ = 55904201 is a prime.

It is a super-2 number, since 2×55904713² = 6250673871224738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55904413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27952356 + 27952357.

It is an arithmetic number, because the mean of its divisors is an integer number (27952357).

Almost surely, 2^55904713 is an apocalyptic number.

It is an amenable number.

55904713 is a deficient number, since it is larger than the sum of its proper divisors (1).

55904713 is an equidigital number, since it uses as much as digits as its factorization.

55904713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55904713 is about 7476.9454324610. The cubic root of 55904713 is about 382.3691163683.

The spelling of 55904713 in words is "fifty-five million, nine hundred four thousand, seven hundred thirteen".