51826164 has 24 divisors (see below), whose sum is σ = 130230240. Its totient is φ = 15946464.

The previous prime is 51826163. The next prime is 51826193. The reversal of 51826164 is 46162815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51826163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165954 + ... + 166265.

It is an arithmetic number, because the mean of its divisors is an integer number (5426260).

Almost surely, 2^51826164 is an apocalyptic number.

It is an amenable number.

51826164 is an abundant number, since it is smaller than the sum of its proper divisors (78404076).

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

51826164 is a wasteful number, since it uses less digits than its factorization.

51826164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332239 (or 332237 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 51826164 is about 7199.0391025470. The cubic root of 51826164 is about 372.8347251787.

Adding to 51826164 its reverse (46162815), we get a palindrome (97988979).

The spelling of 51826164 in words is "fifty-one million, eight hundred twenty-six thousand, one hundred sixty-four".