56700540 has 192 divisors, whose sum is σ = 195592320. Its totient is φ = 13547520.

The previous prime is 56700521. The next prime is 56700551. The reversal of 56700540 is 4500765.

56700540 is a `hidden beast` number, since 56 + 70 + 0 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287722 + ... + 287918.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^56700540 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 56700540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97796160).

56700540 is an abundant number, since it is smaller than the sum of its proper divisors (138891780).

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

56700540 is a wasteful number, since it uses less digits than its factorization.

56700540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 56700540 is about 7529.9760955796. The cubic root of 56700540 is about 384.1749690916.

The spelling of 56700540 in words is "fifty-six million, seven hundred thousand, five hundred forty".