53986275 has 72 divisors (see below), whose sum is σ = 111730944. Its totient is φ = 24408000.

The previous prime is 53986259. The next prime is 53986291. The reversal of 53986275 is 57268935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53986259) and next prime (53986291).

It is not a de Polignac number, because 53986275 - 2⁴ = 53986259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53986275.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237712 + ... + 237938.

Almost surely, 2^53986275 is an apocalyptic number.

53986275 is an abundant number, since it is smaller than the sum of its proper divisors (57744669).

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

53986275 is a wasteful number, since it uses less digits than its factorization.

53986275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 393 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 53986275 is about 7347.5353010380. The cubic root of 53986275 is about 377.9442892617.

The spelling of 53986275 in words is "fifty-three million, nine hundred eighty-six thousand, two hundred seventy-five".