56621466 has 36 divisors (see below), whose sum is σ = 134851626. Its totient is φ = 17157360.

The previous prime is 56621447. The next prime is 56621471. The reversal of 56621466 is 66412665.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55130625 + 1490841 = 7425^2 + 1221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56621466.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10821 + ... + 15176.

Almost surely, 2^56621466 is an apocalyptic number.

56621466 is an abundant number, since it is smaller than the sum of its proper divisors (78230160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56621466 is a wasteful number, since it uses less digits than its factorization.

56621466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26027 (or 26013 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 56621466 is about 7524.7236494107. The cubic root of 56621466 is about 383.9962971648.

The spelling of 56621466 in words is "fifty-six million, six hundred twenty-one thousand, four hundred sixty-six".