56507542 has 16 divisors (see below), whose sum is σ = 104321952. Its totient is φ = 22354560.

The previous prime is 56507537. The next prime is 56507543. The reversal of 56507542 is 24570565.

It is a junction number, because it is equal to n+sod(n) for n = 56507498 and 56507507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56507543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155059 + ... + 155422.

It is an arithmetic number, because the mean of its divisors is an integer number (6520122).

Almost surely, 2^56507542 is an apocalyptic number.

56507542 is a deficient number, since it is larger than the sum of its proper divisors (47814410).

56507542 is a wasteful number, since it uses less digits than its factorization.

56507542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310503.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56507542 is about 7517.1498588228. The cubic root of 56507542 is about 383.7385870903.

The spelling of 56507542 in words is "fifty-six million, five hundred seven thousand, five hundred forty-two".