56660352 has 128 divisors (see below), whose sum is σ = 174493440. Its totient is φ = 15955968.

The previous prime is 56660327. The next prime is 56660363. The reversal of 56660352 is 25306665.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287518 + ... + 287714.

It is an arithmetic number, because the mean of its divisors is an integer number (1363230).

Almost surely, 2^56660352 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 56660352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87246720).

56660352 is an abundant number, since it is smaller than the sum of its proper divisors (117833088).

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

56660352 is a wasteful number, since it uses less digits than its factorization.

56660352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 56660352 is about 7527.3070881956. The cubic root of 56660352 is about 384.0841829324.

The spelling of 56660352 in words is "fifty-six million, six hundred sixty thousand, three hundred fifty-two".