56405626 has 8 divisors (see below), whose sum is σ = 89585460. Its totient is φ = 26543808.

The previous prime is 56405617. The next prime is 56405659. The reversal of 56405626 is 62650465.

It can be written as a sum of positive squares in 2 ways, for example, as 56265001 + 140625 = 7501^2 + 375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1658989 = 56405626 / (5 + 6 + 4 + 0 + 5 + 6 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 56405591 and 56405600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829461 + ... + 829528.

Almost surely, 2^56405626 is an apocalyptic number.

56405626 is a deficient number, since it is larger than the sum of its proper divisors (33179834).

56405626 is a wasteful number, since it uses less digits than its factorization.

56405626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659008.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56405626 is about 7510.3679004427. The cubic root of 56405626 is about 383.5077468862.

The spelling of 56405626 in words is "fifty-six million, four hundred five thousand, six hundred twenty-six".