52143004 has 12 divisors (see below), whose sum is σ = 93372664. Its totient is φ = 25465104.

The previous prime is 52142977. The next prime is 52143017. The reversal of 52143004 is 40034125.

It is a super-2 number, since 2×52143004² = 5437785732288032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151407 + ... + 151750.

Almost surely, 2^52143004 is an apocalyptic number.

It is an amenable number.

52143004 is a deficient number, since it is larger than the sum of its proper divisors (41229660).

52143004 is a wasteful number, since it uses less digits than its factorization.

52143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303204 (or 303202 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52143004 is about 7221.0112865166. The cubic root of 52143004 is about 373.5929589345.

Adding to 52143004 its reverse (40034125), we get a palindrome (92177129).

The spelling of 52143004 in words is "fifty-two million, one hundred forty-three thousand, four".