56787672 has 32 divisors (see below), whose sum is σ = 142199280. Its totient is φ = 18898560.

The previous prime is 56787671. The next prime is 56787673. The reversal of 56787672 is 27678765.

It is an interprime number because it is at equal distance from previous prime (56787671) and next prime (56787673).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56787671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17022 + ... + 20082.

Almost surely, 2^56787672 is an apocalyptic number.

It is an amenable number.

56787672 is an abundant number, since it is smaller than the sum of its proper divisors (85411608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56787672 is a wasteful number, since it uses less digits than its factorization.

56787672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843 (or 3839 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 56787672 is about 7535.7595503041. The cubic root of 56787672 is about 384.3716562337.

The spelling of 56787672 in words is "fifty-six million, seven hundred eighty-seven thousand, six hundred seventy-two".