56677530 has 96 divisors (see below), whose sum is σ = 168441984. Its totient is φ = 11950848.

The previous prime is 56677529. The next prime is 56677549. The reversal of 56677530 is 3577665.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 14.

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, 34692 + ... + 36288.

It is an arithmetic number, because the mean of its divisors is an integer number (1754604).

Almost surely, 2^56677530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56677530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84220992).

56677530 is an abundant number, since it is smaller than the sum of its proper divisors (111764454).

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

56677530 is a wasteful number, since it uses less digits than its factorization.

56677530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 56677530 is about 7528.4480472405. The cubic root of 56677530 is about 384.1229939129.

The spelling of 56677530 in words is "fifty-six million, six hundred seventy-seven thousand, five hundred thirty".