53458236 has 72 divisors (see below), whose sum is σ = 147070560. Its totient is φ = 16274304.

The previous prime is 53458213. The next prime is 53458241. The reversal of 53458236 is 63285435.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53458236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47650 + ... + 48758.

Almost surely, 2^53458236 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 53458236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73535280).

53458236 is an abundant number, since it is smaller than the sum of its proper divisors (93612324).

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

53458236 is a wasteful number, since it uses less digits than its factorization.

53458236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1230 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53458236 is about 7311.5139335161. The cubic root of 53458236 is about 376.7080272365.

The spelling of 53458236 in words is "fifty-three million, four hundred fifty-eight thousand, two hundred thirty-six".