56010291 has 16 divisors (see below), whose sum is σ = 79236000. Its totient is φ = 35071488.

The previous prime is 56010287. The next prime is 56010299. The reversal of 56010291 is 19201065.

It is not a de Polignac number, because 56010291 - 2² = 56010287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56010299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35385 + ... + 36933.

It is an arithmetic number, because the mean of its divisors is an integer number (4952250).

Almost surely, 2^56010291 is an apocalyptic number.

56010291 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56010291 is a deficient number, since it is larger than the sum of its proper divisors (23225709).

56010291 is a wasteful number, since it uses less digits than its factorization.

56010291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 56010291 is about 7484.0023383214. The cubic root of 56010291 is about 382.6096708033.

The spelling of 56010291 in words is "fifty-six million, ten thousand, two hundred ninety-one".