56158459 has 6 divisors (see below), whose sum is σ = 65327244. Its totient is φ = 48135780.

The previous prime is 56158457. The next prime is 56158469. The reversal of 56158459 is 95485165.

It is not a de Polignac number, because 56158459 - 2¹ = 56158457 is a prime.

It is a super-3 number, since 3×56158459³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56158451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572997 + ... + 573094.

It is an arithmetic number, because the mean of its divisors is an integer number (10887874).

Almost surely, 2^56158459 is an apocalyptic number.

56158459 is a deficient number, since it is larger than the sum of its proper divisors (9168785).

56158459 is a wasteful number, since it uses less digits than its factorization.

56158459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146105 (or 1146098 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 56158459 is about 7493.8947817540. The cubic root of 56158459 is about 382.9467552503.

The spelling of 56158459 in words is "fifty-six million, one hundred fifty-eight thousand, four hundred fifty-nine".