53436625 has 24 divisors (see below), whose sum is σ = 73323432. Its totient is φ = 38852000.

The previous prime is 53436623. The next prime is 53436629. The reversal of 53436625 is 52663435.

53436625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 53348416 = 297^2 + 7304^2 .

It is not a de Polignac number, because 53436625 - 2¹ = 53436623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53436623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13359 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (3055143).

Almost surely, 2^53436625 is an apocalyptic number.

53436625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53436625 is a deficient number, since it is larger than the sum of its proper divisors (19886807).

53436625 is a wasteful number, since it uses less digits than its factorization.

53436625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3549 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 53436625 is about 7310.0359096245. The cubic root of 53436625 is about 376.6572577944.

The spelling of 53436625 in words is "fifty-three million, four hundred thirty-six thousand, six hundred twenty-five".