53157888 has 168 divisors, whose sum is σ = 177198528. Its totient is φ = 15040512.

The previous prime is 53157869. The next prime is 53157911. The reversal of 53157888 is 88875135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×53157888² = 5651522113241088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516045 + ... + 516147.

Almost surely, 2^53157888 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 53157888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88599264).

53157888 is an abundant number, since it is smaller than the sum of its proper divisors (124040640).

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

53157888 is a wasteful number, since it uses less digits than its factorization.

53157888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 115 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 53157888 is about 7290.9456176822. The cubic root of 53157888 is about 376.0012071789.

It can be divided in two parts, 53157 and 888, that added together give a palindrome (54045).

The spelling of 53157888 in words is "fifty-three million, one hundred fifty-seven thousand, eight hundred eighty-eight".