56224087 has 2 divisors, whose sum is σ = 56224088. Its totient is φ = 56224086.

The previous prime is 56224073. The next prime is 56224123. The reversal of 56224087 is 78042265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56224087 - 2¹⁹ = 55699799 is a prime.

It is a super-2 number, since 2×56224087² = 6322295917967138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56224037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112043 + 28112044.

It is an arithmetic number, because the mean of its divisors is an integer number (28112044).

Almost surely, 2^56224087 is an apocalyptic number.

56224087 is a deficient number, since it is larger than the sum of its proper divisors (1).

56224087 is an equidigital number, since it uses as much as digits as its factorization.

56224087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 56224087 is about 7498.2722676627. The cubic root of 56224087 is about 383.0958704890.

It can be divided in two parts, 562 and 24087, that added together give a square (24649 = 157²).

The spelling of 56224087 in words is "fifty-six million, two hundred twenty-four thousand, eighty-seven".