51922585 has 32 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 34464000.

The previous prime is 51922579. The next prime is 51922627. The reversal of 51922585 is 58522915.

It is not a de Polignac number, because 51922585 - 2¹³ = 51914393 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 71856 + ... + 72574.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^51922585 is an apocalyptic number.

51922585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51922585 is a deficient number, since it is larger than the sum of its proper divisors (22104935).

51922585 is a wasteful number, since it uses less digits than its factorization.

51922585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 36000, while the sum is 37.

The square root of 51922585 is about 7205.7327871633. The cubic root of 51922585 is about 373.0657978211.

It can be divided in two parts, 5192 and 2585, that added together give a palindrome (7777).

The spelling of 51922585 in words is "fifty-one million, nine hundred twenty-two thousand, five hundred eighty-five".