53253512 has 32 divisors (see below), whose sum is σ = 111245400. Its totient is φ = 23729664.

The previous prime is 53253511. The next prime is 53253517. The reversal of 53253512 is 21535235.

53253512 = T₂₂₈ + T₂₂₉ + ... + T₆₉₁.

It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 26977636 = 5126^2 + 5194^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (53253511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5813 + ... + 11844.

Almost surely, 2^53253512 is an apocalyptic number.

53253512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53253512 is an abundant number, since it is smaller than the sum of its proper divisors (57991888).

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

53253512 is a wasteful number, since it uses less digits than its factorization.

53253512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705 (or 17701 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 53253512 is about 7297.5003939705. The cubic root of 53253512 is about 376.2265309143.

Adding to 53253512 its reverse (21535235), we get a palindrome (74788747).

The spelling of 53253512 in words is "fifty-three million, two hundred fifty-three thousand, five hundred twelve".