53598390 has 16 divisors (see below), whose sum is σ = 128636208. Its totient is φ = 14292896.

The previous prime is 53598367. The next prime is 53598401. The reversal of 53598390 is 9389535.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893277 + ... + 893336.

It is an arithmetic number, because the mean of its divisors is an integer number (8039763).

Almost surely, 2^53598390 is an apocalyptic number.

53598390 is an abundant number, since it is smaller than the sum of its proper divisors (75037818).

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

53598390 is a wasteful number, since it uses less digits than its factorization.

53598390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786623.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 53598390 is about 7321.0921316427. The cubic root of 53598390 is about 377.0369510696.

The spelling of 53598390 in words is "fifty-three million, five hundred ninety-eight thousand, three hundred ninety".