52853991 has 32 divisors (see below), whose sum is σ = 76876800. Its totient is φ = 32192640.

The previous prime is 52853989. The next prime is 52853993. The reversal of 52853991 is 19935825.

It is an interprime number because it is at equal distance from previous prime (52853989) and next prime (52853993).

It is not a de Polignac number, because 52853991 - 2¹ = 52853989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52853993) 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, 291921 + ... + 292101.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^52853991 is an apocalyptic number.

52853991 is a deficient number, since it is larger than the sum of its proper divisors (24022809).

52853991 is a wasteful number, since it uses less digits than its factorization.

52853991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 97200, while the sum is 42.

The square root of 52853991 is about 7270.0750340007. The cubic root of 52853991 is about 375.2833201142.

The spelling of 52853991 in words is "fifty-two million, eight hundred fifty-three thousand, nine hundred ninety-one".