56501530 has 32 divisors (see below), whose sum is σ = 106122240. Its totient is φ = 21634560.

The previous prime is 56501509. The next prime is 56501537. The reversal of 56501530 is 3510565.

56501530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56501530³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56501495 and 56501504.

It is not an unprimeable number, because it can be changed into a prime (56501537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29131 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (3316320).

Almost surely, 2^56501530 is an apocalyptic number.

56501530 is a deficient number, since it is larger than the sum of its proper divisors (49620710).

56501530 is a wasteful number, since it uses less digits than its factorization.

56501530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 56501530 is about 7516.7499625836. The cubic root of 56501530 is about 383.7249775902.

The spelling of 56501530 in words is "fifty-six million, five hundred one thousand, five hundred thirty".