53143472 has 10 divisors (see below), whose sum is σ = 102965508. Its totient is φ = 26571728.

The previous prime is 53143469. The next prime is 53143481. The reversal of 53143472 is 27434135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660718 + ... + 1660749.

Almost surely, 2^53143472 is an apocalyptic number.

It is an amenable number.

53143472 is a deficient number, since it is larger than the sum of its proper divisors (49822036).

53143472 is a wasteful number, since it uses less digits than its factorization.

53143472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321475 (or 3321469 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 53143472 is about 7289.9569271704. The cubic root of 53143472 is about 375.9672145851.

The spelling of 53143472 in words is "fifty-three million, one hundred forty-three thousand, four hundred seventy-two".