53499132 has 18 divisors (see below), whose sum is σ = 135234008. Its totient is φ = 17833032.

The previous prime is 53499107. The next prime is 53499157. The reversal of 53499132 is 23199435.

It is a happy number.

53499132 is a `hidden beast` number, since 534 + 9 + 91 + 32 = 666.

53499132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53499107) and next prime (53499157).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1486087 = 53499132 / (5 + 3 + 4 + 9 + 9 + 1 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743008 + ... + 743079.

Almost surely, 2^53499132 is an apocalyptic number.

It is an amenable number.

53499132 is an abundant number, since it is smaller than the sum of its proper divisors (81734876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53499132 is a wasteful number, since it uses less digits than its factorization.

53499132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486097 (or 1486092 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 53499132 is about 7314.3100836648. The cubic root of 53499132 is about 376.8040643536.

The spelling of 53499132 in words is "fifty-three million, four hundred ninety-nine thousand, one hundred thirty-two".