51463384 has 16 divisors (see below), whose sum is σ = 110278800. Its totient is φ = 22055712.

The previous prime is 51463361. The next prime is 51463393. The reversal of 51463384 is 48336415.

It is a happy number.

It is a congruent number.

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, 459439 + ... + 459550.

It is an arithmetic number, because the mean of its divisors is an integer number (6892425).

Almost surely, 2^51463384 is an apocalyptic number.

It is an amenable number.

51463384 is an abundant number, since it is smaller than the sum of its proper divisors (58815416).

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

51463384 is a wasteful number, since it uses less digits than its factorization.

51463384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919002 (or 918998 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 51463384 is about 7173.7984359752. The cubic root of 51463384 is about 371.9627472620.

Adding to 51463384 its reverse (48336415), we get a palindrome (99799799).

The spelling of 51463384 in words is "fifty-one million, four hundred sixty-three thousand, three hundred eighty-four".