53188488 has 80 divisors (see below), whose sum is σ = 151008000. Its totient is φ = 17488224.

The previous prime is 53188483. The next prime is 53188493. The reversal of 53188488 is 88488135.

53188488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53188483) and next prime (53188493).

It is a super-2 number, since 2×53188488² = 5658030511452288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53188483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50673 + ... + 51711.

It is an arithmetic number, because the mean of its divisors is an integer number (1887600).

Almost surely, 2^53188488 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 53188488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75504000).

53188488 is an abundant number, since it is smaller than the sum of its proper divisors (97819512).

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

53188488 is a wasteful number, since it uses less digits than its factorization.

53188488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1123 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 53188488 is about 7293.0438090005. The cubic root of 53188488 is about 376.0733409070.

The spelling of 53188488 in words is "fifty-three million, one hundred eighty-eight thousand, four hundred eighty-eight".