53503152 has 40 divisors (see below), whose sum is σ = 144228864. Its totient is φ = 17058624.

The previous prime is 53503123. The next prime is 53503157. The reversal of 53503152 is 25130535.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (53503157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23128 + ... + 25335.

Almost surely, 2^53503152 is an apocalyptic number.

It is an amenable number.

53503152 is an abundant number, since it is smaller than the sum of its proper divisors (90725712).

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

53503152 is a wasteful number, since it uses less digits than its factorization.

53503152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48497 (or 48491 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53503152 is about 7314.5848822746. The cubic root of 53503152 is about 376.8135019797.

Adding to 53503152 its reverse (25130535), we get a palindrome (78633687).

The spelling of 53503152 in words is "fifty-three million, five hundred three thousand, one hundred fifty-two".