56503942 has 8 divisors (see below), whose sum is σ = 92461032. Its totient is φ = 25683600.

The previous prime is 56503927. The next prime is 56503943. The reversal of 56503942 is 24930565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56503898 and 56503907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284159 + ... + 1284202.

It is an arithmetic number, because the mean of its divisors is an integer number (11557629).

Almost surely, 2^56503942 is an apocalyptic number.

56503942 is a deficient number, since it is larger than the sum of its proper divisors (35957090).

56503942 is a wasteful number, since it uses less digits than its factorization.

56503942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568374.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 56503942 is about 7516.9104025524. The cubic root of 56503942 is about 383.7304378050.

The spelling of 56503942 in words is "fifty-six million, five hundred three thousand, nine hundred forty-two".