51723546 has 16 divisors (see below), whose sum is σ = 118225344. Its totient is φ = 14778144.

The previous prime is 51723541. The next prime is 51723569. The reversal of 51723546 is 64532715.

51723546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51723541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615715 + ... + 615798.

It is an arithmetic number, because the mean of its divisors is an integer number (7389084).

Almost surely, 2^51723546 is an apocalyptic number.

51723546 is an abundant number, since it is smaller than the sum of its proper divisors (66501798).

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

51723546 is a wasteful number, since it uses less digits than its factorization.

51723546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231525.

The product of its digits is 25200, while the sum is 33.

The square root of 51723546 is about 7191.9083698279. The cubic root of 51723546 is about 372.5884864032.

The spelling of 51723546 in words is "fifty-one million, seven hundred twenty-three thousand, five hundred forty-six".