56621006 has 16 divisors (see below), whose sum is σ = 91907088. Its totient is φ = 26006400.

The previous prime is 56620987. The next prime is 56621011. The reversal of 56621006 is 60012665.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 10646.

It is an arithmetic number, because the mean of its divisors is an integer number (5744193).

Almost surely, 2^56621006 is an apocalyptic number.

56621006 is a deficient number, since it is larger than the sum of its proper divisors (35286082).

56621006 is a wasteful number, since it uses less digits than its factorization.

56621006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10547.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 56621006 is about 7524.6930834420. The cubic root of 56621006 is about 383.9952572837.

The spelling of 56621006 in words is "fifty-six million, six hundred twenty-one thousand, six".