51790365 has 48 divisors (see below), whose sum is σ = 102211200. Its totient is φ = 24013440.

The previous prime is 51790351. The next prime is 51790373. The reversal of 51790365 is 56309715.

It is a happy number.

It is not a de Polignac number, because 51790365 - 2¹⁰ = 51789341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9111 + ... + 13659.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^51790365 is an apocalyptic number.

51790365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51790365 is a deficient number, since it is larger than the sum of its proper divisors (50420835).

51790365 is a wasteful number, since it uses less digits than its factorization.

51790365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 51790365 is about 7196.5522995390. The cubic root of 51790365 is about 372.7488600246.

The spelling of 51790365 in words is "fifty-one million, seven hundred ninety thousand, three hundred sixty-five".