53073431 has 4 divisors (see below), whose sum is σ = 53271000. Its totient is φ = 52875864.

The previous prime is 53073401. The next prime is 53073467. The reversal of 53073431 is 13437035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53073431 - 2¹⁴ = 53057047 is a prime.

It is a super-2 number, since 2×53073431² = 5633578156223522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53073431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53073401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98381 + ... + 98918.

It is an arithmetic number, because the mean of its divisors is an integer number (13317750).

Almost surely, 2^53073431 is an apocalyptic number.

53073431 is a deficient number, since it is larger than the sum of its proper divisors (197569).

53073431 is a wasteful number, since it uses less digits than its factorization.

53073431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197568.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 53073431 is about 7285.1514054273. The cubic root of 53073431 is about 375.8019719828.

The spelling of 53073431 in words is "fifty-three million, seventy-three thousand, four hundred thirty-one".