51019304 has 32 divisors (see below), whose sum is σ = 112857600. Its totient is φ = 21159360.

The previous prime is 51019291. The next prime is 51019321. The reversal of 51019304 is 40391015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51019304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12959 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (3526800).

Almost surely, 2^51019304 is an apocalyptic number.

It is an amenable number.

51019304 is an abundant number, since it is smaller than the sum of its proper divisors (61838296).

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

51019304 is a wasteful number, since it uses less digits than its factorization.

51019304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29433 (or 29429 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51019304 is about 7142.7798510104. The cubic root of 51019304 is about 370.8897602586.

The spelling of 51019304 in words is "fifty-one million, nineteen thousand, three hundred four".