56988537 has 8 divisors (see below), whose sum is σ = 76565280. Its totient is φ = 37702080.

The previous prime is 56988511. The next prime is 56988541. The reversal of 56988537 is 73588965.

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

It is a de Polignac number, because none of the positive numbers 2^k-56988537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56988537.

It is not an unprimeable number, because it can be changed into a prime (56988557) 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, 72112 + ... + 72897.

It is an arithmetic number, because the mean of its divisors is an integer number (9570660).

Almost surely, 2^56988537 is an apocalyptic number.

It is an amenable number.

56988537 is a deficient number, since it is larger than the sum of its proper divisors (19576743).

56988537 is a wasteful number, since it uses less digits than its factorization.

56988537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145143.

The product of its digits is 1814400, while the sum is 51.

The square root of 56988537 is about 7549.0752413789. The cubic root of 56988537 is about 384.8243129370.

The spelling of 56988537 in words is "fifty-six million, nine hundred eighty-eight thousand, five hundred thirty-seven".