56319505 has 8 divisors (see below), whose sum is σ = 73727424. Its totient is φ = 40959600.

The previous prime is 56319493. The next prime is 56319559. The reversal of 56319505 is 50591365.

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

It is not a de Polignac number, because 56319505 - 2⁷ = 56319377 is a prime.

It is a Duffinian 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, 511941 + ... + 512050.

It is an arithmetic number, because the mean of its divisors is an integer number (9215928).

Almost surely, 2^56319505 is an apocalyptic number.

56319505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56319505 is a deficient number, since it is larger than the sum of its proper divisors (17407919).

56319505 is a wasteful number, since it uses less digits than its factorization.

56319505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024007.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 56319505 is about 7504.6322361592. The cubic root of 56319505 is about 383.3124655727.

The spelling of 56319505 in words is "fifty-six million, three hundred nineteen thousand, five hundred five".