51273376 has 48 divisors (see below), whose sum is σ = 125858880. Its totient is φ = 19975680.

The previous prime is 51273361. The next prime is 51273389. The reversal of 51273376 is 67337215.

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, 7941 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (2622060).

Almost surely, 2^51273376 is an apocalyptic number.

51273376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51273376 is an abundant number, since it is smaller than the sum of its proper divisors (74585504).

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

51273376 is a wasteful number, since it uses less digits than its factorization.

51273376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20837 (or 20829 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 51273376 is about 7160.5429961701. The cubic root of 51273376 is about 371.5044080709.

The spelling of 51273376 in words is "fifty-one million, two hundred seventy-three thousand, three hundred seventy-six".