53212473 has 12 divisors (see below), whose sum is σ = 76963120. Its totient is φ = 35428536.

The previous prime is 53212469. The next prime is 53212487. The reversal of 53212473 is 37421235.

53212473 is a `hidden beast` number, since 532 + 124 + 7 + 3 = 666.

It is not a de Polignac number, because 53212473 - 2² = 53212469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53212403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4290 + ... + 11172.

Almost surely, 2^53212473 is an apocalyptic number.

It is an amenable number.

53212473 is a deficient number, since it is larger than the sum of its proper divisors (23750647).

53212473 is a wasteful number, since it uses less digits than its factorization.

53212473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748 (or 7745 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53212473 is about 7294.6879988112. The cubic root of 53212473 is about 376.1298616813.

The spelling of 53212473 in words is "fifty-three million, two hundred twelve thousand, four hundred seventy-three".