52401512 has 16 divisors (see below), whose sum is σ = 98914500. Its totient is φ = 26024320.

The previous prime is 52401493. The next prime is 52401533. The reversal of 52401512 is 21510425.

It can be written as a sum of positive squares in 2 ways, for example, as 52330756 + 70756 = 7234^2 + 266^2 .

It is a super-2 number, since 2×52401512² = 5491836919772288, which contains 22 as substring.

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, 20789 + ... + 23172.

Almost surely, 2^52401512 is an apocalyptic number.

It is an amenable number.

52401512 is a deficient number, since it is larger than the sum of its proper divisors (46512988).

52401512 is a wasteful number, since it uses less digits than its factorization.

52401512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44116 (or 44112 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52401512 is about 7238.8888650124. Note that the first 4 decimals coincide. The cubic root of 52401512 is about 374.2093254692.

Adding to 52401512 its reverse (21510425), we get a palindrome (73911937).

The spelling of 52401512 in words is "fifty-two million, four hundred one thousand, five hundred twelve".