53513136 has 100 divisors (see below), whose sum is σ = 156461712. Its totient is φ = 17656704.

The previous prime is 53513081. The next prime is 53513153. The reversal of 53513136 is 63131535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 203341 + ... + 203603.

Almost surely, 2^53513136 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 53513136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78230856).

53513136 is an abundant number, since it is smaller than the sum of its proper divisors (102948576).

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

53513136 is a wasteful number, since it uses less digits than its factorization.

53513136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 425 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 53513136 is about 7315.2673225249. The cubic root of 53513136 is about 376.8369390538.

The spelling of 53513136 in words is "fifty-three million, five hundred thirteen thousand, one hundred thirty-six".