56747973 has 8 divisors (see below), whose sum is σ = 77709088. Its totient is φ = 36809424.

The previous prime is 56747939. The next prime is 56747981. The reversal of 56747973 is 37974765.

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

It is not a de Polignac number, because 56747973 - 2⁶ = 56747909 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 (56747903) 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, 255511 + ... + 255732.

It is an arithmetic number, because the mean of its divisors is an integer number (9713636).

Almost surely, 2^56747973 is an apocalyptic number.

It is an amenable number.

56747973 is a deficient number, since it is larger than the sum of its proper divisors (20961115).

56747973 is a wasteful number, since it uses less digits than its factorization.

56747973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511283.

The product of its digits is 1111320, while the sum is 48.

The square root of 56747973 is about 7533.1250487431. The cubic root of 56747973 is about 384.2820667917.

The spelling of 56747973 in words is "fifty-six million, seven hundred forty-seven thousand, nine hundred seventy-three".