53573859 has 16 divisors (see below), whose sum is σ = 81930240. Its totient is φ = 34563240.

The previous prime is 53573857. The next prime is 53573867. The reversal of 53573859 is 95837535.

It is not a de Polignac number, because 53573859 - 2¹ = 53573857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53573857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31167 + ... + 32840.

It is an arithmetic number, because the mean of its divisors is an integer number (5120640).

Almost surely, 2^53573859 is an apocalyptic number.

53573859 is a deficient number, since it is larger than the sum of its proper divisors (28356381).

53573859 is a wasteful number, since it uses less digits than its factorization.

53573859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64047 (or 64041 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 53573859 is about 7319.4165751103. The cubic root of 53573859 is about 376.9794213263.

It can be divided in two parts, 5357 and 3859, that added together give a square (9216 = 96²).

The spelling of 53573859 in words is "fifty-three million, five hundred seventy-three thousand, eight hundred fifty-nine".