56651406 has 16 divisors (see below), whose sum is σ = 129489024. Its totient is φ = 16186104.

The previous prime is 56651383. The next prime is 56651411. The reversal of 56651406 is 60415665.

56651406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 674380 + ... + 674463.

It is an arithmetic number, because the mean of its divisors is an integer number (8093064).

Almost surely, 2^56651406 is an apocalyptic number.

56651406 is an abundant number, since it is smaller than the sum of its proper divisors (72837618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56651406 is a wasteful number, since it uses less digits than its factorization.

56651406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348855.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56651406 is about 7526.7128283202. The cubic root of 56651406 is about 384.0639677506.

The spelling of 56651406 in words is "fifty-six million, six hundred fifty-one thousand, four hundred six".