56598749 has 8 divisors (see below), whose sum is σ = 59211000. Its totient is φ = 54030592.

The previous prime is 56598727. The next prime is 56598757. The reversal of 56598749 is 94789565.

It can be written as a sum of positive squares in 4 ways, for example, as 17935225 + 38663524 = 4235^2 + 6218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56598749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56598749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56598769) 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, 8384 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (7401375).

Almost surely, 2^56598749 is an apocalyptic number.

It is an amenable number.

56598749 is a deficient number, since it is larger than the sum of its proper divisors (2612251).

56598749 is a wasteful number, since it uses less digits than its factorization.

56598749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22047.

The product of its digits is 2721600, while the sum is 53.

The square root of 56598749 is about 7523.2140073243. The cubic root of 56598749 is about 383.9449361330.

The spelling of 56598749 in words is "fifty-six million, five hundred ninety-eight thousand, seven hundred forty-nine".