56503406 has 8 divisors (see below), whose sum is σ = 86354424. Its totient is φ = 27718600.

The previous prime is 56503399. The next prime is 56503411. The reversal of 56503406 is 60430565.

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

It is a congruent number.

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, 266420 + ... + 266631.

It is an arithmetic number, because the mean of its divisors is an integer number (10794303).

Almost surely, 2^56503406 is an apocalyptic number.

56503406 is a deficient number, since it is larger than the sum of its proper divisors (29851018).

56503406 is a wasteful number, since it uses less digits than its factorization.

56503406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533106.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56503406 is about 7516.8747495219. The cubic root of 56503406 is about 383.7292244373.

The spelling of 56503406 in words is "fifty-six million, five hundred three thousand, four hundred six".