56051767 has 4 divisors (see below), whose sum is σ = 59001880. Its totient is φ = 53101656.

The previous prime is 56051659. The next prime is 56051773. The reversal of 56051767 is 76715065.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-56051767 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 (56051167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475028 + ... + 1475065.

It is an arithmetic number, because the mean of its divisors is an integer number (14750470).

Almost surely, 2^56051767 is an apocalyptic number.

56051767 is a deficient number, since it is larger than the sum of its proper divisors (2950113).

56051767 is a wasteful number, since it uses less digits than its factorization.

56051767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950112.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 56051767 is about 7486.7728027502. The cubic root of 56051767 is about 382.7040891859.

The spelling of 56051767 in words is "fifty-six million, fifty-one thousand, seven hundred sixty-seven".