53167590 has 80 divisors (see below), whose sum is σ = 163402272. Its totient is φ = 12151296.

The previous prime is 53167589. The next prime is 53167633. The reversal of 53167590 is 9576135.

It is a happy number.

53167590 is a `hidden beast` number, since 5 + 3 + 1 + 67 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 982 + ... + 10358.

Almost surely, 2^53167590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53167590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81701136).

53167590 is an abundant number, since it is smaller than the sum of its proper divisors (110234682).

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

53167590 is a wasteful number, since it uses less digits than its factorization.

53167590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403 (or 9394 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 53167590 is about 7291.6109331203. The cubic root of 53167590 is about 376.0240808102.

It can be divided in two parts, 531 and 67590, that added together give a square (68121 = 261²).

The spelling of 53167590 in words is "fifty-three million, one hundred sixty-seven thousand, five hundred ninety".