51790860 has 96 divisors (see below), whose sum is σ = 175795200. Its totient is φ = 12553920.

The previous prime is 51790853. The next prime is 51790867. The reversal of 51790860 is 6809715.

It is an interprime number because it is at equal distance from previous prime (51790853) and next prime (51790867).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51790867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1581 + ... + 10299.

It is an arithmetic number, because the mean of its divisors is an integer number (1831200).

Almost surely, 2^51790860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51790860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87897600).

51790860 is an abundant number, since it is smaller than the sum of its proper divisors (124004340).

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

51790860 is a wasteful number, since it uses less digits than its factorization.

51790860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 51790860 is about 7196.5866909251. The cubic root of 51790860 is about 372.7500475691.

It can be divided in two parts, 51790 and 860, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 51790860 in words is "fifty-one million, seven hundred ninety thousand, eight hundred sixty".