56629380 has 96 divisors (see below), whose sum is σ = 170916480. Its totient is φ = 13957120.

The previous prime is 56629337. The next prime is 56629393. The reversal of 56629380 is 8392665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59710 + ... + 60650.

It is an arithmetic number, because the mean of its divisors is an integer number (1780380).

Almost surely, 2^56629380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56629380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85458240).

56629380 is an abundant number, since it is smaller than the sum of its proper divisors (114287100).

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

56629380 is a wasteful number, since it uses less digits than its factorization.

56629380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56629380 is about 7525.2494975250. The cubic root of 56629380 is about 384.0141867589.

The spelling of 56629380 in words is "fifty-six million, six hundred twenty-nine thousand, three hundred eighty".