53902240 has 192 divisors, whose sum is σ = 163296000. Its totient is φ = 16367616.

The previous prime is 53902231. The next prime is 53902241. The reversal of 53902240 is 4220935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53902241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361686 + ... + 361834.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^53902240 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 53902240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

53902240 is an abundant number, since it is smaller than the sum of its proper divisors (109393760).

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

53902240 is a wasteful number, since it uses less digits than its factorization.

53902240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53902240 is about 7341.8144896204. The cubic root of 53902240 is about 377.7480848122.

The spelling of 53902240 in words is "fifty-three million, nine hundred two thousand, two hundred forty".