53293557 has 12 divisors (see below), whose sum is σ = 73447296. Its totient is φ = 34337520.

The previous prime is 53293547. The next prime is 53293601. The reversal of 53293557 is 75539235.

It is not a de Polignac number, because 53293557 - 2¹² = 53289461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53293547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70023 + ... + 70779.

It is an arithmetic number, because the mean of its divisors is an integer number (6120608).

Almost surely, 2^53293557 is an apocalyptic number.

It is an amenable number.

53293557 is a deficient number, since it is larger than the sum of its proper divisors (20153739).

53293557 is an frugal number, since it uses more digits than its factorization.

53293557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 791 counting only the distinct ones).

The product of its digits is 141750, while the sum is 39.

The square root of 53293557 is about 7300.2436260717. The cubic root of 53293557 is about 376.3208108723.

The spelling of 53293557 in words is "fifty-three million, two hundred ninety-three thousand, five hundred fifty-seven".