51764346 has 48 divisors (see below), whose sum is σ = 119062944. Its totient is φ = 16846704.

The previous prime is 51764309. The next prime is 51764347. The reversal of 51764346 is 64346715.

It is a happy number.

51764346 is a `hidden beast` number, since 5 + 1 + 7 + 643 + 4 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51764346.

It is not an unprimeable number, because it can be changed into a prime (51764347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19660 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (2480478).

Almost surely, 2^51764346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51764346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59531472).

51764346 is an abundant number, since it is smaller than the sum of its proper divisors (67298598).

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

51764346 is a wasteful number, since it uses less digits than its factorization.

51764346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2525 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 51764346 is about 7194.7443318022. The cubic root of 51764346 is about 372.6864277092.

The spelling of 51764346 in words is "fifty-one million, seven hundred sixty-four thousand, three hundred forty-six".