53151552 has 70 divisors (see below), whose sum is σ = 157573218. Its totient is φ = 17715456.

The previous prime is 53151541. The next prime is 53151559. The reversal of 53151552 is 25515135.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 17438976 = 5976^2 + 4176^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53151559) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 58 + ... + 10310.

Almost surely, 2^53151552 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 53151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78786609).

53151552 is an abundant number, since it is smaller than the sum of its proper divisors (104421666).

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

53151552 is a wasteful number, since it uses less digits than its factorization.

53151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277 (or 10258 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 53151552 is about 7290.5110931950. The cubic root of 53151552 is about 375.9862677948.

Adding to 53151552 its reverse (25515135), we get a palindrome (78666687).

The spelling of 53151552 in words is "fifty-three million, one hundred fifty-one thousand, five hundred fifty-two".