56621002 has 8 divisors (see below), whose sum is σ = 86371200. Its totient is φ = 27830604.

The previous prime is 56620987. The next prime is 56621011. The reversal of 56621002 is 20012665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239802 + ... + 240037.

It is an arithmetic number, because the mean of its divisors is an integer number (10796400).

Almost surely, 2^56621002 is an apocalyptic number.

56621002 is a deficient number, since it is larger than the sum of its proper divisors (29750198).

56621002 is a wasteful number, since it uses less digits than its factorization.

56621002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479900.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56621002 is about 7524.6928176504. The cubic root of 56621002 is about 383.9952482413.

Adding to 56621002 its reverse (20012665), we get a palindrome (76633667).

The spelling of 56621002 in words is "fifty-six million, six hundred twenty-one thousand, two".