83143552 has 16 divisors (see below), whose sum is σ = 165637800. Its totient is φ = 41571712.

The previous prime is 83143547. The next prime is 83143573. The reversal of 83143552 is 25534138.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324652 + ... + 324907.

Almost surely, 2^83143552 is an apocalyptic number.

It is an amenable number.

83143552 is a deficient number, since it is larger than the sum of its proper divisors (82494248).

83143552 is an equidigital number, since it uses as much as digits as its factorization.

83143552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649573 (or 649561 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 83143552 is about 9118.3086150887. The cubic root of 83143552 is about 436.4584018088.

The spelling of 83143552 in words is "eighty-three million, one hundred forty-three thousand, five hundred fifty-two".