56651290 has 32 divisors (see below), whose sum is σ = 103712400. Its totient is φ = 22278144.

The previous prime is 56651279. The next prime is 56651317. The reversal of 56651290 is 9215665.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22534009 + 34117281 = 4747^2 + 5841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287472 + ... + 287668.

Almost surely, 2^56651290 is an apocalyptic number.

56651290 is a deficient number, since it is larger than the sum of its proper divisors (47061110).

56651290 is a wasteful number, since it uses less digits than its factorization.

56651290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 56651290 is about 7526.7051224291. The cubic root of 56651290 is about 384.0637056127.

The spelling of 56651290 in words is "fifty-six million, six hundred fifty-one thousand, two hundred ninety".