53136552 has 64 divisors (see below), whose sum is σ = 152640000. Its totient is φ = 15099840.

The previous prime is 53136547. The next prime is 53136557. The reversal of 53136552 is 25563135.

It is an interprime number because it is at equal distance from previous prime (53136547) and next prime (53136557).

It is not an unprimeable number, because it can be changed into a prime (53136557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34699 + ... + 36197.

It is an arithmetic number, because the mean of its divisors is an integer number (2385000).

Almost surely, 2^53136552 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 53136552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76320000).

53136552 is an abundant number, since it is smaller than the sum of its proper divisors (99503448).

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

53136552 is a wasteful number, since it uses less digits than its factorization.

53136552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1722 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 53136552 is about 7289.4822861435. The cubic root of 53136552 is about 375.9508952019.

Adding to 53136552 its reverse (25563135), we get a palindrome (78699687).

The spelling of 53136552 in words is "fifty-three million, one hundred thirty-six thousand, five hundred fifty-two".