56161742 has 36 divisors (see below), whose sum is σ = 106145856. Its totient is φ = 22211280.

The previous prime is 56161697. The next prime is 56161789. The reversal of 56161742 is 24716165.

It is a junction number, because it is equal to n+sod(n) for n = 56161699 and 56161708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14867 + ... + 18257.

It is an arithmetic number, because the mean of its divisors is an integer number (2948496).

Almost surely, 2^56161742 is an apocalyptic number.

56161742 is a deficient number, since it is larger than the sum of its proper divisors (49984114).

56161742 is a wasteful number, since it uses less digits than its factorization.

56161742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3413 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 56161742 is about 7494.1138235284. The cubic root of 56161742 is about 382.9542174072.

The spelling of 56161742 in words is "fifty-six million, one hundred sixty-one thousand, seven hundred forty-two".