56909042 has 8 divisors (see below), whose sum is σ = 85857516. Its totient is φ = 28289872.

The previous prime is 56909029. The next prime is 56909051. The reversal of 56909042 is 24090965.

It can be written as a sum of positive squares in 2 ways, for example, as 56235001 + 674041 = 7499^2 + 821^2 .

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

It is a super-2 number, since 2×56909042² = 6477278122715528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56908993 and 56909011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81893 + ... + 82584.

Almost surely, 2^56909042 is an apocalyptic number.

56909042 is a deficient number, since it is larger than the sum of its proper divisors (28948474).

56909042 is a wasteful number, since it uses less digits than its factorization.

56909042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164652.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 56909042 is about 7543.8081895022. The cubic root of 56909042 is about 384.6452953908.

The spelling of 56909042 in words is "fifty-six million, nine hundred nine thousand, forty-two".