51283044 has 60 divisors (see below), whose sum is σ = 135750384. Its totient is φ = 16879536.

The previous prime is 51283019. The next prime is 51283051. The reversal of 51283044 is 44038215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51282999 and 51283017.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25939 + ... + 27845.

Almost surely, 2^51283044 is an apocalyptic number.

51283044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51283044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67875192).

51283044 is an abundant number, since it is smaller than the sum of its proper divisors (84467340).

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

51283044 is a wasteful number, since it uses less digits than its factorization.

51283044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 51283044 is about 7161.2180528176. The cubic root of 51283044 is about 371.5277566335.

The spelling of 51283044 in words is "fifty-one million, two hundred eighty-three thousand, forty-four".