56650402 has 4 divisors (see below), whose sum is σ = 84975606. Its totient is φ = 28325200.

The previous prime is 56650387. The next prime is 56650417. The reversal of 56650402 is 20405665.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56650387) and next prime (56650417).

It can be written as a sum of positive squares in only one way, i.e., 29931841 + 26718561 = 5471^2 + 5169^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14162599 + ... + 14162602.

Almost surely, 2^56650402 is an apocalyptic number.

56650402 is a deficient number, since it is larger than the sum of its proper divisors (28325204).

56650402 is a wasteful number, since it uses less digits than its factorization.

56650402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325203.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56650402 is about 7526.6461322424. The cubic root of 56650402 is about 384.0616988896.

The spelling of 56650402 in words is "fifty-six million, six hundred fifty thousand, four hundred two".