56098728 has 72 divisors (see below), whose sum is σ = 176750730. Its totient is φ = 16027200.

The previous prime is 56098717. The next prime is 56098739. The reversal of 56098728 is 82789065.

56098728 is a `hidden beast` number, since 560 + 9 + 87 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (56098717) and next prime (56098739).

It can be written as a sum of positive squares in only one way, i.e., 30272004 + 25826724 = 5502^2 + 5082^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4423 + ... + 11478.

Almost surely, 2^56098728 is an apocalyptic number.

It is an amenable number.

56098728 is an abundant number, since it is smaller than the sum of its proper divisors (120652002).

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

56098728 is a wasteful number, since it uses less digits than its factorization.

56098728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927 (or 15913 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 56098728 is about 7489.9084106550. The cubic root of 56098728 is about 382.8109377351.

The spelling of 56098728 in words is "fifty-six million, ninety-eight thousand, seven hundred twenty-eight".