56416642 has 16 divisors (see below), whose sum is σ = 89844120. Its totient is φ = 26477568.

The previous prime is 56416637. The next prime is 56416729. The reversal of 56416642 is 24661465.

56416642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56415121 + 1521 = 7511^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 56416598 and 56416607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11878 + ... + 15934.

Almost surely, 2^56416642 is an apocalyptic number.

56416642 is a deficient number, since it is larger than the sum of its proper divisors (33427478).

56416642 is a wasteful number, since it uses less digits than its factorization.

56416642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485.

The product of its digits is 34560, while the sum is 34.

The square root of 56416642 is about 7511.1012508154. The cubic root of 56416642 is about 383.5327115729.

The spelling of 56416642 in words is "fifty-six million, four hundred sixteen thousand, six hundred forty-two".