51468438 has 32 divisors (see below), whose sum is σ = 117895680. Its totient is φ = 14673600.

The previous prime is 51468427. The next prime is 51468451. The reversal of 51468438 is 83486415.

It is a super-2 number, since 2×51468438² = 5298000220319688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51468396 and 51468405.

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 15 ways as a sum of consecutive naturals, for example, 24223 + ... + 26261.

It is an arithmetic number, because the mean of its divisors is an integer number (3684240).

Almost surely, 2^51468438 is an apocalyptic number.

51468438 is an abundant number, since it is smaller than the sum of its proper divisors (66427242).

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

51468438 is a wasteful number, since it uses less digits than its factorization.

51468438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its digits is 92160, while the sum is 39.

The square root of 51468438 is about 7174.1506814396. The cubic root of 51468438 is about 371.9749231564.

The spelling of 51468438 in words is "fifty-one million, four hundred sixty-eight thousand, four hundred thirty-eight".