56546280 has 192 divisors, whose sum is σ = 221270400. Its totient is φ = 12234240.

The previous prime is 56546251. The next prime is 56546293. The reversal of 56546280 is 8264565.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47290 + ... + 48470.

It is an arithmetic number, because the mean of its divisors is an integer number (1152450).

Almost surely, 2^56546280 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 56546280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110635200).

56546280 is an abundant number, since it is smaller than the sum of its proper divisors (164724120).

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

56546280 is a wasteful number, since it uses less digits than its factorization.

56546280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 56546280 is about 7519.7260588402. The cubic root of 56546280 is about 383.8262560354.

The spelling of 56546280 in words is "fifty-six million, five hundred forty-six thousand, two hundred eighty".