56444542 has 32 divisors (see below), whose sum is σ = 105986304. Its totient is φ = 21902400.

The previous prime is 56444519. The next prime is 56444561. The reversal of 56444542 is 24544465.

It is a junction number, because it is equal to n+sod(n) for n = 56444498 and 56444507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47617 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (3312072).

Almost surely, 2^56444542 is an apocalyptic number.

56444542 is a deficient number, since it is larger than the sum of its proper divisors (49541762).

56444542 is a wasteful number, since it uses less digits than its factorization.

56444542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its digits is 76800, while the sum is 34.

The square root of 56444542 is about 7512.9582722121. The cubic root of 56444542 is about 383.5959245943.

The spelling of 56444542 in words is "fifty-six million, four hundred forty-four thousand, five hundred forty-two".