51313976 has 48 divisors (see below), whose sum is σ = 113407200. Its totient is φ = 21700224.

The previous prime is 51313967. The next prime is 51313987. The reversal of 51313976 is 67931315.

51313976 = T₃₀₃ + T₃₀₄ + ... + T₆₉₄.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30140 + ... + 31796.

It is an arithmetic number, because the mean of its divisors is an integer number (2362650).

Almost surely, 2^51313976 is an apocalyptic number.

51313976 is a gapful number since it is divisible by the number (56) 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 51313976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56703600).

51313976 is an abundant number, since it is smaller than the sum of its proper divisors (62093224).

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

51313976 is a wasteful number, since it uses less digits than its factorization.

51313976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1745 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 51313976 is about 7163.3774157167. The cubic root of 51313976 is about 371.6024388021.

The spelling of 51313976 in words is "fifty-one million, three hundred thirteen thousand, nine hundred seventy-six".