52557725 has 12 divisors (see below), whose sum is σ = 71096640. Its totient is φ = 38223600.

The previous prime is 52557719. The next prime is 52557749. The reversal of 52557725 is 52775525.

It is not a de Polignac number, because 52557725 - 2¹⁰ = 52556701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95285 + ... + 95834.

It is an arithmetic number, because the mean of its divisors is an integer number (5924720).

Almost surely, 2^52557725 is an apocalyptic number.

52557725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52557725 is a deficient number, since it is larger than the sum of its proper divisors (18538915).

52557725 is a wasteful number, since it uses less digits than its factorization.

52557725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191140 (or 191135 counting only the distinct ones).

The product of its digits is 122500, while the sum is 38.

The square root of 52557725 is about 7249.6706821758. The cubic root of 52557725 is about 374.5808056516.

The spelling of 52557725 in words is "fifty-two million, five hundred fifty-seven thousand, seven hundred twenty-five".