53143458 has 32 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 17369040.

The previous prime is 53143439. The next prime is 53143463. The reversal of 53143458 is 85434135.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90241 + ... + 90827.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^53143458 is an apocalyptic number.

53143458 is an abundant number, since it is smaller than the sum of its proper divisors (55236702).

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

53143458 is a wasteful number, since it uses less digits than its factorization.

53143458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its digits is 28800, while the sum is 33.

The square root of 53143458 is about 7289.9559669452. The cubic root of 53143458 is about 375.9671815705.

The spelling of 53143458 in words is "fifty-three million, one hundred forty-three thousand, four hundred fifty-eight".