51522898 has 16 divisors (see below), whose sum is σ = 92165760. Its totient is φ = 21121056.

The previous prime is 51522893. The next prime is 51522923. The reversal of 51522898 is 89822515.

It is a self number, because there is not a number n which added to its sum of digits gives 51522898.

It is not an unprimeable number, because it can be changed into a prime (51522893) by changing a digit.

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, 79683 + ... + 80326.

It is an arithmetic number, because the mean of its divisors is an integer number (5760360).

Almost surely, 2^51522898 is an apocalyptic number.

51522898 is a deficient number, since it is larger than the sum of its proper divisors (40642862).

51522898 is a wasteful number, since it uses less digits than its factorization.

51522898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160041.

The product of its digits is 57600, while the sum is 40.

The square root of 51522898 is about 7177.9452491643. The cubic root of 51522898 is about 372.1060754653.

It can be divided in two parts, 5152 and 2898, that multiplied together give a square (14930496 = 3864²).

The spelling of 51522898 in words is "fifty-one million, five hundred twenty-two thousand, eight hundred ninety-eight".