53775525 has 24 divisors (see below), whose sum is σ = 89753184. Its totient is φ = 28408000.

The previous prime is 53775509. The next prime is 53775577. The reversal of 53775525 is 52557735.

It is not a de Polignac number, because 53775525 - 2⁴ = 53775509 is a prime.

It is a super-3 number, since 3×53775525³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4675 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (3739716).

Almost surely, 2^53775525 is an apocalyptic number.

It is an amenable number.

53775525 is a deficient number, since it is larger than the sum of its proper divisors (35977659).

53775525 is a wasteful number, since it uses less digits than its factorization.

53775525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821 (or 6816 counting only the distinct ones).

The product of its digits is 183750, while the sum is 39.

The square root of 53775525 is about 7333.1797332399. The cubic root of 53775525 is about 377.4518453845.

The spelling of 53775525 in words is "fifty-three million, seven hundred seventy-five thousand, five hundred twenty-five".