56177394 has 64 divisors (see below), whose sum is σ = 142786560. Its totient is φ = 14333760.

The previous prime is 56177371. The next prime is 56177399. The reversal of 56177394 is 49377165.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (56177399) 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, 15267 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (2231040).

Almost surely, 2^56177394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56177394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71393280).

56177394 is an abundant number, since it is smaller than the sum of its proper divisors (86609166).

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

56177394 is a wasteful number, since it uses less digits than its factorization.

56177394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 158760, while the sum is 42.

The square root of 56177394 is about 7495.1580370263. The cubic root of 56177394 is about 382.9897899189.

The spelling of 56177394 in words is "fifty-six million, one hundred seventy-seven thousand, three hundred ninety-four".