56730542 has 16 divisors (see below), whose sum is σ = 97718400. Its totient is φ = 24429240.

The previous prime is 56730533. The next prime is 56730571. The reversal of 56730542 is 24503765.

It is a super-2 number, since 2×56730542² = 6436708791227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56730499 and 56730508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67442 + ... + 68277.

It is an arithmetic number, because the mean of its divisors is an integer number (6107400).

Almost surely, 2^56730542 is an apocalyptic number.

56730542 is a deficient number, since it is larger than the sum of its proper divisors (40987858).

56730542 is a wasteful number, since it uses less digits than its factorization.

56730542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135751.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56730542 is about 7531.9680031184. The cubic root of 56730542 is about 384.2427167421.

The spelling of 56730542 in words is "fifty-six million, seven hundred thirty thousand, five hundred forty-two".