56598740 has 48 divisors (see below), whose sum is σ = 130201344. Its totient is φ = 20496000.

The previous prime is 56598727. The next prime is 56598757. The reversal of 56598740 is 4789565.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 56598691 and 56598700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80390 + ... + 81090.

It is an arithmetic number, because the mean of its divisors is an integer number (2712528).

Almost surely, 2^56598740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56598740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65100672).

56598740 is an abundant number, since it is smaller than the sum of its proper divisors (73602604).

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

56598740 is a wasteful number, since it uses less digits than its factorization.

56598740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 56598740 is about 7523.2134091756. The cubic root of 56598740 is about 383.9449157821.

The spelling of 56598740 in words is "fifty-six million, five hundred ninety-eight thousand, seven hundred forty".