51154232 has 32 divisors (see below), whose sum is σ = 102489600. Its totient is φ = 23864544.

The previous prime is 51154217. The next prime is 51154261. The reversal of 51154232 is 23245115.

It is a junction number, because it is equal to n+sod(n) for n = 51154198 and 51154207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7673 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (3202800).

Almost surely, 2^51154232 is an apocalyptic number.

It is an amenable number.

51154232 is an abundant number, since it is smaller than the sum of its proper divisors (51335368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51154232 is a wasteful number, since it uses less digits than its factorization.

51154232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115 (or 5111 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 51154232 is about 7152.2186767464. The cubic root of 51154232 is about 371.2164298304.

Adding to 51154232 its reverse (23245115), we get a palindrome (74399347).

The spelling of 51154232 in words is "fifty-one million, one hundred fifty-four thousand, two hundred thirty-two".