51723552 has 48 divisors (see below), whose sum is σ = 137047680. Its totient is φ = 17079552.

The previous prime is 51723541. The next prime is 51723569. The reversal of 51723552 is 25532715.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 7993 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (2855160).

Almost surely, 2^51723552 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 51723552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68523840).

51723552 is an abundant number, since it is smaller than the sum of its proper divisors (85324128).

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

51723552 is a wasteful number, since it uses less digits than its factorization.

51723552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065 (or 5057 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 51723552 is about 7191.9087869633. The cubic root of 51723552 is about 372.5885008101.

The spelling of 51723552 in words is "fifty-one million, seven hundred twenty-three thousand, five hundred fifty-two".