53212438 has 16 divisors (see below), whose sum is σ = 82186704. Its totient is φ = 25820640.

The previous prime is 53212433. The next prime is 53212447. The reversal of 53212438 is 83421235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40573 + ... + 41863.

It is an arithmetic number, because the mean of its divisors is an integer number (5136669).

Almost surely, 2^53212438 is an apocalyptic number.

53212438 is a deficient number, since it is larger than the sum of its proper divisors (28974266).

53212438 is a wasteful number, since it uses less digits than its factorization.

53212438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its digits is 5760, while the sum is 28.

The square root of 53212438 is about 7294.6855998048. The cubic root of 53212438 is about 376.1297792160.

The spelling of 53212438 in words is "fifty-three million, two hundred twelve thousand, four hundred thirty-eight".