56142537 has 8 divisors (see below), whose sum is σ = 81661920. Its totient is φ = 34025760.

The previous prime is 56142523. The next prime is 56142547. The reversal of 56142537 is 73524165.

56142537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56142537 - 2⁷ = 56142409 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1701289 = 56142537 / (5 + 6 + 1 + 4 + 2 + 5 + 3 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 56142498 and 56142507.

It is not an unprimeable number, because it can be changed into a prime (56142547) 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 7 ways as a sum of consecutive naturals, for example, 850612 + ... + 850677.

It is an arithmetic number, because the mean of its divisors is an integer number (10207740).

Almost surely, 2^56142537 is an apocalyptic number.

It is an amenable number.

56142537 is a deficient number, since it is larger than the sum of its proper divisors (25519383).

56142537 is a wasteful number, since it uses less digits than its factorization.

56142537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701303.

The product of its digits is 25200, while the sum is 33.

The square root of 56142537 is about 7492.8323750101. The cubic root of 56142537 is about 382.9105609134.

The spelling of 56142537 in words is "fifty-six million, one hundred forty-two thousand, five hundred thirty-seven".