56886540 has 48 divisors (see below), whose sum is σ = 161215488. Its totient is φ = 14985664.

The previous prime is 56886517. The next prime is 56886547. The reversal of 56886540 is 4568865.

It is a junction number, because it is equal to n+sod(n) for n = 56886492 and 56886501.

It is not an unprimeable number, because it can be changed into a prime (56886547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (3358656).

Almost surely, 2^56886540 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 56886540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80607744).

56886540 is an abundant number, since it is smaller than the sum of its proper divisors (104328948).

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

56886540 is a wasteful number, since it uses less digits than its factorization.

56886540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 56886540 is about 7542.3166202434. The cubic root of 56886540 is about 384.5945920862.

The spelling of 56886540 in words is "fifty-six million, eight hundred eighty-six thousand, five hundred forty".