53881152 has 56 divisors (see below), whose sum is σ = 153533856. Its totient is φ = 16578048.

The previous prime is 53881151. The next prime is 53881153. The reversal of 53881152 is 25118835.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53881151) and next prime (53881153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53881151) 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, 8298 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (2741676).

Almost surely, 2^53881152 is an apocalyptic number.

53881152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53881152 is an abundant number, since it is smaller than the sum of its proper divisors (99652704).

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

53881152 is a wasteful number, since it uses less digits than its factorization.

53881152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21615 (or 21605 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 53881152 is about 7340.3781918918. The cubic root of 53881152 is about 377.6988166638.

Adding to 53881152 its reverse (25118835), we get a palindrome (78999987).

The spelling of 53881152 in words is "fifty-three million, eight hundred eighty-one thousand, one hundred fifty-two".