56622004 has 12 divisors (see below), whose sum is σ = 100110724. Its totient is φ = 28018944.

The previous prime is 56622001. The next prime is 56622011. The reversal of 56622004 is 40022665.

It can be written as a sum of positive squares in 2 ways, for example, as 46949904 + 9672100 = 6852^2 + 3110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56622004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622001) by changing a digit.

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, 72579 + ... + 73354.

Almost surely, 2^56622004 is an apocalyptic number.

It is an amenable number.

56622004 is a deficient number, since it is larger than the sum of its proper divisors (43488720).

56622004 is a wasteful number, since it uses less digits than its factorization.

56622004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146034 (or 146032 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56622004 is about 7524.7593981469. The cubic root of 56622004 is about 383.9975133664.

Adding to 56622004 its reverse (40022665), we get a palindrome (96644669).

The spelling of 56622004 in words is "fifty-six million, six hundred twenty-two thousand, four".