56942745 has 8 divisors (see below), whose sum is σ = 91108416. Its totient is φ = 30369456.

The previous prime is 56942693. The next prime is 56942749. The reversal of 56942745 is 54724965.

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

It is not a de Polignac number, because 56942745 - 2⁶ = 56942681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56942697 and 56942706.

It is not an unprimeable number, because it can be changed into a prime (56942749) 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, 1898077 + ... + 1898106.

It is an arithmetic number, because the mean of its divisors is an integer number (11388552).

Almost surely, 2^56942745 is an apocalyptic number.

It is an amenable number.

56942745 is a deficient number, since it is larger than the sum of its proper divisors (34165671).

56942745 is a wasteful number, since it uses less digits than its factorization.

56942745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796191.

The product of its digits is 302400, while the sum is 42.

The square root of 56942745 is about 7546.0416775949. The cubic root of 56942745 is about 384.7212126887.

The spelling of 56942745 in words is "fifty-six million, nine hundred forty-two thousand, seven hundred forty-five".