51473242 has 16 divisors (see below), whose sum is σ = 81828000. Its totient is φ = 24215760.

The previous prime is 51473221. The next prime is 51473267. The reversal of 51473242 is 24237415.

51473242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51473242.

It is an unprimeable number.

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, 1117 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (5114250).

Almost surely, 2^51473242 is an apocalyptic number.

51473242 is a deficient number, since it is larger than the sum of its proper divisors (30354758).

51473242 is a wasteful number, since it uses less digits than its factorization.

51473242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261.

The product of its digits is 6720, while the sum is 28.

The square root of 51473242 is about 7174.4854867788. The cubic root of 51473242 is about 371.9864960219.

It can be divided in two parts, 51473 and 242, that added together give a palindrome (51715).

The spelling of 51473242 in words is "fifty-one million, four hundred seventy-three thousand, two hundred forty-two".