56127987 has 6 divisors (see below), whose sum is σ = 81073772. Its totient is φ = 37418652.

The previous prime is 56127979. The next prime is 56127989. The reversal of 56127987 is 78972165.

56127987 is a `hidden beast` number, since 561 + 2 + 7 + 9 + 87 = 666.

It is not a de Polignac number, because 56127987 - 2³ = 56127979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56127989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3118213 + ... + 3118230.

Almost surely, 2^56127987 is an apocalyptic number.

56127987 is a deficient number, since it is larger than the sum of its proper divisors (24945785).

56127987 is a wasteful number, since it uses less digits than its factorization.

56127987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236449 (or 6236446 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 56127987 is about 7491.8613841955. The cubic root of 56127987 is about 382.8774794608.

The spelling of 56127987 in words is "fifty-six million, one hundred twenty-seven thousand, nine hundred eighty-seven".