53598240 has 192 divisors, whose sum is σ = 197769600. Its totient is φ = 13519872.

The previous prime is 53598239. The next prime is 53598241. The reversal of 53598240 is 4289535.

53598240 is a `hidden beast` number, since 535 + 9 + 82 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (53598239) and next prime (53598241).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53598195 and 53598204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53598241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81754 + ... + 82406.

It is an arithmetic number, because the mean of its divisors is an integer number (1030050).

Almost surely, 2^53598240 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 53598240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98884800).

53598240 is an abundant number, since it is smaller than the sum of its proper divisors (144171360).

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

53598240 is a wasteful number, since it uses less digits than its factorization.

53598240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53598240 is about 7321.0818872623. The cubic root of 53598240 is about 377.0365993451.

The spelling of 53598240 in words is "fifty-three million, five hundred ninety-eight thousand, two hundred forty".