51377828 has 12 divisors (see below), whose sum is σ = 89993820. Its totient is φ = 25665312.

The previous prime is 51377827. The next prime is 51377857. The reversal of 51377828 is 82877315.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 47224384 = 2038^2 + 6872^2 .

It is not an unprimeable number, because it can be changed into a prime (51377827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (7499485).

Almost surely, 2^51377828 is an apocalyptic number.

It is an amenable number.

51377828 is a deficient number, since it is larger than the sum of its proper divisors (38615992).

51377828 is a wasteful number, since it uses less digits than its factorization.

51377828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806 (or 11804 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 51377828 is about 7167.8328663551. The cubic root of 51377828 is about 371.7565080951.

The spelling of 51377828 in words is "fifty-one million, three hundred seventy-seven thousand, eight hundred twenty-eight".