51132235 has 24 divisors (see below), whose sum is σ = 77869296. Its totient is φ = 31872960.

The previous prime is 51132163. The next prime is 51132239. The reversal of 51132235 is 53223115.

51132235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51132235 - 2¹¹ = 51130187 is a prime.

It is a super-2 number, since 2×51132235² = 5229010912190450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51132239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6792 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (3244554).

Almost surely, 2^51132235 is an apocalyptic number.

51132235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51132235 is a deficient number, since it is larger than the sum of its proper divisors (26737061).

51132235 is a wasteful number, since it uses less digits than its factorization.

51132235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003 (or 18996 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 51132235 is about 7150.6807368250. The cubic root of 51132235 is about 371.1632128679.

The spelling of 51132235 in words is "fifty-one million, one hundred thirty-two thousand, two hundred thirty-five".