56913629 has 2 divisors, whose sum is σ = 56913630. Its totient is φ = 56913628.

The previous prime is 56913589. The next prime is 56913643. The reversal of 56913629 is 92631965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 14364100 = 6523^2 + 3790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56913629 is a prime.

It is a super-2 number, since 2×56913629² = 6478322331899282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56913029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28456814 + 28456815.

It is an arithmetic number, because the mean of its divisors is an integer number (28456815).

Almost surely, 2^56913629 is an apocalyptic number.

It is an amenable number.

56913629 is a deficient number, since it is larger than the sum of its proper divisors (1).

56913629 is an equidigital number, since it uses as much as digits as its factorization.

56913629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 56913629 is about 7544.1122075430. The cubic root of 56913629 is about 384.6556295457.

The spelling of 56913629 in words is "fifty-six million, nine hundred thirteen thousand, six hundred twenty-nine".