53248657 has 32 divisors (see below), whose sum is σ = 70170624. Its totient is φ = 39177600.

The previous prime is 53248639. The next prime is 53248667. The reversal of 53248657 is 75684235.

It is a de Polignac number, because none of the positive numbers 2^k-53248657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53248667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189357 + ... + 189637.

It is an arithmetic number, because the mean of its divisors is an integer number (2192832).

Almost surely, 2^53248657 is an apocalyptic number.

It is an amenable number.

53248657 is a deficient number, since it is larger than the sum of its proper divisors (16921967).

53248657 is a wasteful number, since it uses less digits than its factorization.

53248657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its digits is 201600, while the sum is 40.

The square root of 53248657 is about 7297.1677382393. The cubic root of 53248657 is about 376.2150973315.

The spelling of 53248657 in words is "fifty-three million, two hundred forty-eight thousand, six hundred fifty-seven".