53499133 has 4 divisors (see below), whose sum is σ = 53735040. Its totient is φ = 53263228.

The previous prime is 53499107. The next prime is 53499157. The reversal of 53499133 is 33199435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53499133 - 2¹⁷ = 53368061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53499092 and 53499101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53499233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117613 + ... + 118066.

It is an arithmetic number, because the mean of its divisors is an integer number (13433760).

Almost surely, 2^53499133 is an apocalyptic number.

It is an amenable number.

53499133 is a deficient number, since it is larger than the sum of its proper divisors (235907).

53499133 is a wasteful number, since it uses less digits than its factorization.

53499133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235906.

The product of its digits is 43740, while the sum is 37.

The square root of 53499133 is about 7314.3101520239. The cubic root of 53499133 is about 376.8040667014.

The spelling of 53499133 in words is "fifty-three million, four hundred ninety-nine thousand, one hundred thirty-three".