56957429694 has 64 divisors (see below), whose sum is σ = 125610912000. Its totient is φ = 17074571520.

The previous prime is 56957429693. The next prime is 56957429761. The reversal of 56957429694 is 49692475965.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56957429693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2638557 + ... + 2660055.

It is an arithmetic number, because the mean of its divisors is an integer number (1962670500).

Almost surely, 2^56957429694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56957429694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62805456000).

56957429694 is an abundant number, since it is smaller than the sum of its proper divisors (68653482306).

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

56957429694 is a wasteful number, since it uses less digits than its factorization.

56957429694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21945.

The product of its digits is 146966400, while the sum is 66.

The spelling of 56957429694 in words is "fifty-six billion, nine hundred fifty-seven million, four hundred twenty-nine thousand, six hundred ninety-four".