56951643 has 16 divisors (see below), whose sum is σ = 87201536. Its totient is φ = 32387040.

The previous prime is 56951623. The next prime is 56951647. The reversal of 56951643 is 34615965.

56951643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56951643 - 2⁸ = 56951387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56951647) by changing a digit.

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, 1996 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (5450096).

Almost surely, 2^56951643 is an apocalyptic number.

56951643 is a deficient number, since it is larger than the sum of its proper divisors (30249893).

56951643 is a wasteful number, since it uses less digits than its factorization.

56951643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074.

The product of its digits is 97200, while the sum is 39.

The square root of 56951643 is about 7546.6312351936. The cubic root of 56951643 is about 384.7412507758.

The spelling of 56951643 in words is "fifty-six million, nine hundred fifty-one thousand, six hundred forty-three".