53437212 has 24 divisors (see below), whose sum is σ = 138541200. Its totient is φ = 17812368.

The previous prime is 53437207. The next prime is 53437229. The reversal of 53437212 is 21273435.

It is a super-3 number, since 3×53437212³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247287 + ... + 247502.

It is an arithmetic number, because the mean of its divisors is an integer number (5772550).

Almost surely, 2^53437212 is an apocalyptic number.

It is an amenable number.

53437212 is an abundant number, since it is smaller than the sum of its proper divisors (85103988).

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

53437212 is a wasteful number, since it uses less digits than its factorization.

53437212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494802 (or 494794 counting only the distinct ones).

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

The square root of 53437212 is about 7310.0760597958. The cubic root of 53437212 is about 376.6586369796.

The spelling of 53437212 in words is "fifty-three million, four hundred thirty-seven thousand, two hundred twelve".