56747898 has 16 divisors (see below), whose sum is σ = 126106560. Its totient is φ = 18915948.

The previous prime is 56747897. The next prime is 56747903. The reversal of 56747898 is 89874765.

56747898 is a `hidden beast` number, since 567 + 4 + 78 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1050887 = 56747898 / (5 + 6 + 7 + 4 + 7 + 8 + 9 + 8).

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

It is not an unprimeable number, because it can be changed into a prime (56747891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525390 + ... + 525497.

It is an arithmetic number, because the mean of its divisors is an integer number (7881660).

Almost surely, 2^56747898 is an apocalyptic number.

56747898 is an abundant number, since it is smaller than the sum of its proper divisors (69358662).

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

56747898 is a wasteful number, since it uses less digits than its factorization.

56747898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050898 (or 1050892 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 56747898 is about 7533.1200707277. The cubic root of 56747898 is about 384.2818974983.

The spelling of 56747898 in words is "fifty-six million, seven hundred forty-seven thousand, eight hundred ninety-eight".