56751503 has 8 divisors (see below), whose sum is σ = 58317840. Its totient is φ = 55193920.

The previous prime is 56751469. The next prime is 56751517. The reversal of 56751503 is 30515765.

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

It is a cyclic number.

It is not a de Polignac number, because 56751503 - 2¹² = 56747407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56751503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56751203) 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, 12233 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (7289730).

Almost surely, 2^56751503 is an apocalyptic number.

56751503 is a deficient number, since it is larger than the sum of its proper divisors (1566337).

56751503 is a wasteful number, since it uses less digits than its factorization.

56751503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 56751503 is about 7533.3593436129. The cubic root of 56751503 is about 384.2900346978.

The spelling of 56751503 in words is "fifty-six million, seven hundred fifty-one thousand, five hundred three".