53214288 has 120 divisors (see below), whose sum is σ = 150802848. Its totient is φ = 16153344.

The previous prime is 53214241. The next prime is 53214311. The reversal of 53214288 is 88241235.

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, 641095 + ... + 641177.

Almost surely, 2^53214288 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 53214288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75401424).

53214288 is an abundant number, since it is smaller than the sum of its proper divisors (97588560).

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

53214288 is a wasteful number, since it uses less digits than its factorization.

53214288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 144 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 53214288 is about 7294.8124033453. The cubic root of 53214288 is about 376.1341380467.

The spelling of 53214288 in words is "fifty-three million, two hundred fourteen thousand, two hundred eighty-eight".