56651430 has 32 divisors (see below), whose sum is σ = 148324608. Its totient is φ = 13733600.

The previous prime is 56651423. The next prime is 56651443. The reversal of 56651430 is 3415665.

56651430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 85506 + ... + 86165.

It is an arithmetic number, because the mean of its divisors is an integer number (4635144).

Almost surely, 2^56651430 is an apocalyptic number.

56651430 is an abundant number, since it is smaller than the sum of its proper divisors (91673178).

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

56651430 is a wasteful number, since it uses less digits than its factorization.

56651430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171692.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56651430 is about 7526.7144226415. The cubic root of 56651430 is about 384.0640219860.

The spelling of 56651430 in words is "fifty-six million, six hundred fifty-one thousand, four hundred thirty".