51383104 has 56 divisors (see below), whose sum is σ = 108191808. Its totient is φ = 24161280.

The previous prime is 51383093. The next prime is 51383147. The reversal of 51383104 is 40138315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98364 + ... + 98884.

Almost surely, 2^51383104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51383104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54095904).

51383104 is an abundant number, since it is smaller than the sum of its proper divisors (56808704).

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

51383104 is a wasteful number, since it uses less digits than its factorization.

51383104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51383104 is about 7168.2008900421. The cubic root of 51383104 is about 371.7692329109.

The spelling of 51383104 in words is "fifty-one million, three hundred eighty-three thousand, one hundred four".