53785725 has 48 divisors (see below), whose sum is σ = 103600512. Its totient is φ = 24111360.

The previous prime is 53785681. The next prime is 53785759. The reversal of 53785725 is 52758735.

It is not a de Polignac number, because 53785725 - 2⁹ = 53785213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26859 + ... + 28791.

It is an arithmetic number, because the mean of its divisors is an integer number (2158344).

Almost surely, 2^53785725 is an apocalyptic number.

It is an amenable number.

53785725 is a deficient number, since it is larger than the sum of its proper divisors (49814787).

53785725 is a wasteful number, since it uses less digits than its factorization.

53785725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2001 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 53785725 is about 7333.8751693767. The cubic root of 53785725 is about 377.4757085666.

The spelling of 53785725 in words is "fifty-three million, seven hundred eighty-five thousand, seven hundred twenty-five".