53155136 has 14 divisors (see below), whose sum is σ = 105479850. Its totient is φ = 26577536.

The previous prime is 53155133. The next prime is 53155153. The reversal of 53155136 is 63155135.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 6150400 = 6856^2 + 2480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53155099 and 53155108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415211 + ... + 415338.

It is an arithmetic number, because the mean of its divisors is an integer number (7534275).

Almost surely, 2^53155136 is an apocalyptic number.

It is an amenable number.

53155136 is a deficient number, since it is larger than the sum of its proper divisors (52324714).

53155136 is an equidigital number, since it uses as much as digits as its factorization.

53155136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830561 (or 830551 counting only the distinct ones).

The product of its digits is 6750, while the sum is 29.

The square root of 53155136 is about 7290.7568880055. The cubic root of 53155136 is about 375.9947185013.

Subtracting 53155136 from its reverse (63155135), we obtain a palindrome (9999999).

The spelling of 53155136 in words is "fifty-three million, one hundred fifty-five thousand, one hundred thirty-six".