53237408 has 48 divisors (see below), whose sum is σ = 120363264. Its totient is φ = 22705920.

The previous prime is 53237407. The next prime is 53237419. The reversal of 53237408 is 80473235.

It is a happy number.

It is a super-2 number, since 2×53237408² = 5668443221116928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (53237407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60266 + ... + 61142.

It is an arithmetic number, because the mean of its divisors is an integer number (2507568).

Almost surely, 2^53237408 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 53237408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60181632).

53237408 is an abundant number, since it is smaller than the sum of its proper divisors (67125856).

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

53237408 is a wasteful number, since it uses less digits than its factorization.

53237408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53237408 is about 7296.3969190279. The cubic root of 53237408 is about 376.1886031317.

The spelling of 53237408 in words is "fifty-three million, two hundred thirty-seven thousand, four hundred eight".