51383476 has 12 divisors (see below), whose sum is σ = 93022020. Its totient is φ = 24805760.

The previous prime is 51383441. The next prime is 51383477. The reversal of 51383476 is 67438315.

It can be written as a sum of positive squares in 2 ways, for example, as 8820900 + 42562576 = 2970^2 + 6524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51383477) 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, 221365 + ... + 221596.

It is an arithmetic number, because the mean of its divisors is an integer number (7751835).

Almost surely, 2^51383476 is an apocalyptic number.

It is an amenable number.

51383476 is a deficient number, since it is larger than the sum of its proper divisors (41638544).

51383476 is a wasteful number, since it uses less digits than its factorization.

51383476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442994 (or 442992 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 51383476 is about 7168.2268379286. The cubic root of 51383476 is about 371.7701300789.

The spelling of 51383476 in words is "fifty-one million, three hundred eighty-three thousand, four hundred seventy-six".