56626469 has 2 divisors, whose sum is σ = 56626470. Its totient is φ = 56626468.

The previous prime is 56626463. The next prime is 56626477. The reversal of 56626469 is 96462665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 6400900 = 7087^2 + 2530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56626469 is a prime.

It is a super-2 number, since 2×56626469² = 6413113982815922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56626463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28313234 + 28313235.

It is an arithmetic number, because the mean of its divisors is an integer number (28313235).

Almost surely, 2^56626469 is an apocalyptic number.

It is an amenable number.

56626469 is a deficient number, since it is larger than the sum of its proper divisors (1).

56626469 is an equidigital number, since it uses as much as digits as its factorization.

56626469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 56626469 is about 7525.0560795253. The cubic root of 56626469 is about 384.0076066382.

The spelling of 56626469 in words is "fifty-six million, six hundred twenty-six thousand, four hundred sixty-nine".