56087751 has 8 divisors (see below), whose sum is σ = 75322240. Its totient is φ = 37122552.

The previous prime is 56087747. The next prime is 56087767. The reversal of 56087751 is 15778065.

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

It is not a de Polignac number, because 56087751 - 2² = 56087747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56087771) 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, 66835 + ... + 67668.

It is an arithmetic number, because the mean of its divisors is an integer number (9415280).

Almost surely, 2^56087751 is an apocalyptic number.

56087751 is a deficient number, since it is larger than the sum of its proper divisors (19234489).

56087751 is a wasteful number, since it uses less digits than its factorization.

56087751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134645.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 56087751 is about 7489.1755888082. The cubic root of 56087751 is about 382.7859675327.

The spelling of 56087751 in words is "fifty-six million, eighty-seven thousand, seven hundred fifty-one".