56731415 has 8 divisors (see below), whose sum is σ = 73314528. Its totient is φ = 41893920.

The previous prime is 56731399. The next prime is 56731417. The reversal of 56731415 is 51413765.

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

It is not a de Polignac number, because 56731415 - 2⁴ = 56731399 is a prime.

It is a super-3 number, since 3×56731415³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56731417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436331 + ... + 436460.

It is an arithmetic number, because the mean of its divisors is an integer number (9164316).

Almost surely, 2^56731415 is an apocalyptic number.

56731415 is a deficient number, since it is larger than the sum of its proper divisors (16583113).

56731415 is a wasteful number, since it uses less digits than its factorization.

56731415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872809.

The product of its digits is 12600, while the sum is 32.

The square root of 56731415 is about 7532.0259558767. The cubic root of 56731415 is about 384.2446877096.

The spelling of 56731415 in words is "fifty-six million, seven hundred thirty-one thousand, four hundred fifteen".