53590398 has 32 divisors (see below), whose sum is σ = 109043712. Its totient is φ = 17556000.

The previous prime is 53590379. The next prime is 53590399. The reversal of 53590398 is 89309535.

It is a super-4 number, since 4×53590398⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53590399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115515 + ... + 115977.

It is an arithmetic number, because the mean of its divisors is an integer number (3407616).

Almost surely, 2^53590398 is an apocalyptic number.

53590398 is an abundant number, since it is smaller than the sum of its proper divisors (55453314).

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

53590398 is a wasteful number, since it uses less digits than its factorization.

53590398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

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

The square root of 53590398 is about 7320.5462910906. The cubic root of 53590398 is about 377.0182102760.

The spelling of 53590398 in words is "fifty-three million, five hundred ninety thousand, three hundred ninety-eight".