56901530 has 48 divisors (see below), whose sum is σ = 119822976. Its totient is φ = 19054560.

The previous prime is 56901521. The next prime is 56901539. The reversal of 56901530 is 3510965.

It is an interprime number because it is at equal distance from previous prime (56901521) and next prime (56901539).

It is a junction number, because it is equal to n+sod(n) for n = 56901493 and 56901502.

It is not an unprimeable number, because it can be changed into a prime (56901539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531737 + ... + 531843.

It is an arithmetic number, because the mean of its divisors is an integer number (2496312).

Almost surely, 2^56901530 is an apocalyptic number.

56901530 is an abundant number, since it is smaller than the sum of its proper divisors (62921446).

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

56901530 is a wasteful number, since it uses less digits than its factorization.

56901530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 56901530 is about 7543.3102813022. The cubic root of 56901530 is about 384.6283702385.

The spelling of 56901530 in words is "fifty-six million, nine hundred one thousand, five hundred thirty".