53525505 has 16 divisors (see below), whose sum is σ = 93426624. Its totient is φ = 25951680.

The previous prime is 53525453. The next prime is 53525509. The reversal of 53525505 is 50552535.

It is not a de Polignac number, because 53525505 - 2⁶ = 53525441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53525509) 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, 162034 + ... + 162363.

It is an arithmetic number, because the mean of its divisors is an integer number (5839164).

Almost surely, 2^53525505 is an apocalyptic number.

53525505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53525505 is a deficient number, since it is larger than the sum of its proper divisors (39901119).

53525505 is a wasteful number, since it uses less digits than its factorization.

53525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324416.

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 53525505 is about 7316.1126973277. The cubic root of 53525505 is about 376.8659707855.

The spelling of 53525505 in words is "fifty-three million, five hundred twenty-five thousand, five hundred five".