53642853 has 24 divisors (see below), whose sum is σ = 84835296. Its totient is φ = 32392800.

The previous prime is 53642821. The next prime is 53642863. The reversal of 53642853 is 35824635.

It is a happy number.

53642853 is a `hidden beast` number, since 5 + 3 + 642 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 53642853 - 2⁵ = 53642821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53642863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31951 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (3534804).

Almost surely, 2^53642853 is an apocalyptic number.

It is an amenable number.

53642853 is a deficient number, since it is larger than the sum of its proper divisors (31192443).

53642853 is a wasteful number, since it uses less digits than its factorization.

53642853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1982 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53642853 is about 7324.1281392395. The cubic root of 53642853 is about 377.1411803226.

The spelling of 53642853 in words is "fifty-three million, six hundred forty-two thousand, eight hundred fifty-three".