56376487 has 2 divisors, whose sum is σ = 56376488. Its totient is φ = 56376486.

The previous prime is 56376469. The next prime is 56376503. The reversal of 56376487 is 78467365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56376487 is a prime.

It is a super-2 number, since 2×56376487² = 6356616572922338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56376787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28188243 + 28188244.

It is an arithmetic number, because the mean of its divisors is an integer number (28188244).

Almost surely, 2^56376487 is an apocalyptic number.

56376487 is a deficient number, since it is larger than the sum of its proper divisors (1).

56376487 is an equidigital number, since it uses as much as digits as its factorization.

56376487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 56376487 is about 7508.4277315561. The cubic root of 56376487 is about 383.4416958087.

The spelling of 56376487 in words is "fifty-six million, three hundred seventy-six thousand, four hundred eighty-seven".