51152452 has 12 divisors (see below), whose sum is σ = 96402796. Its totient is φ = 23608800.

The previous prime is 51152443. The next prime is 51152477. The reversal of 51152452 is 25425115.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 47527236 = 1904^2 + 6894^2 .

It is a super-2 number, since 2×51152452² = 5233146691224608, 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, 491799 + ... + 491902.

Almost surely, 2^51152452 is an apocalyptic number.

51152452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51152452 is a deficient number, since it is larger than the sum of its proper divisors (45250344).

51152452 is a wasteful number, since it uses less digits than its factorization.

51152452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983718 (or 983716 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 51152452 is about 7152.0942387527. The cubic root of 51152452 is about 371.2121240745.

Adding to 51152452 its reverse (25425115), we get a palindrome (76577567).

The spelling of 51152452 in words is "fifty-one million, one hundred fifty-two thousand, four hundred fifty-two".