56619628 has 12 divisors (see below), whose sum is σ = 106706320. Its totient is φ = 26132112.

The previous prime is 56619599. The next prime is 56619637. The reversal of 56619628 is 82691665.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544368 + ... + 544471.

Almost surely, 2^56619628 is an apocalyptic number.

It is an amenable number.

56619628 is a deficient number, since it is larger than the sum of its proper divisors (50086692).

56619628 is a wasteful number, since it uses less digits than its factorization.

56619628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088856 (or 1088854 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 56619628 is about 7524.6015176885. The cubic root of 56619628 is about 383.9921421280.

The spelling of 56619628 in words is "fifty-six million, six hundred nineteen thousand, six hundred twenty-eight".