51190922 has 4 divisors (see below), whose sum is σ = 76786386. Its totient is φ = 25595460.

The previous prime is 51190903. The next prime is 51190967. The reversal of 51190922 is 22909115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 23512801 = 5261^2 + 4849^2 .

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 as a sum of consecutive naturals, namely, 12797729 + ... + 12797732.

Almost surely, 2^51190922 is an apocalyptic number.

51190922 is a deficient number, since it is larger than the sum of its proper divisors (25595464).

51190922 is a wasteful number, since it uses less digits than its factorization.

51190922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25595463.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 51190922 is about 7154.7831553444. The cubic root of 51190922 is about 371.3051593796.

The spelling of 51190922 in words is "fifty-one million, one hundred ninety thousand, nine hundred twenty-two".