56477751 has 8 divisors (see below), whose sum is σ = 82149504. Its totient is φ = 34228920.

The previous prime is 56477749. The next prime is 56477777. The reversal of 56477751 is 15777465.

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

It is not a de Polignac number, because 56477751 - 2¹ = 56477749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56477741) 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, 855691 + ... + 855756.

It is an arithmetic number, because the mean of its divisors is an integer number (10268688).

Almost surely, 2^56477751 is an apocalyptic number.

56477751 is a deficient number, since it is larger than the sum of its proper divisors (25671753).

56477751 is a wasteful number, since it uses less digits than its factorization.

56477751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711461.

The product of its digits is 205800, while the sum is 42.

The square root of 56477751 is about 7515.1680619930. The cubic root of 56477751 is about 383.6711390682.

The spelling of 56477751 in words is "fifty-six million, four hundred seventy-seven thousand, seven hundred fifty-one".