56615067 has 12 divisors (see below), whose sum is σ = 82998760. Its totient is φ = 37179648.

The previous prime is 56615063. The next prime is 56615071. The reversal of 56615067 is 76051665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56615063) and next prime (56615071).

It is not a de Polignac number, because 56615067 - 2² = 56615063 is a prime.

It is a super-2 number, since 2×56615067² = 6410531622828978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56615063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46342 + ... + 47547.

Almost surely, 2^56615067 is an apocalyptic number.

56615067 is a deficient number, since it is larger than the sum of its proper divisors (26383693).

56615067 is a wasteful number, since it uses less digits than its factorization.

56615067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93962 (or 93959 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56615067 is about 7524.2984390573. The cubic root of 56615067 is about 383.9818310088.

The spelling of 56615067 in words is "fifty-six million, six hundred fifteen thousand, sixty-seven".