51822134 has 16 divisors (see below), whose sum is σ = 95671968. Its totient is φ = 20500992.

The previous prime is 51822109. The next prime is 51822149. The reversal of 51822134 is 43122815.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142187 + ... + 142550.

It is an arithmetic number, because the mean of its divisors is an integer number (5979498).

Almost surely, 2^51822134 is an apocalyptic number.

51822134 is a deficient number, since it is larger than the sum of its proper divisors (43849834).

51822134 is a wasteful number, since it uses less digits than its factorization.

51822134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284759.

The product of its digits is 1920, while the sum is 26.

The square root of 51822134 is about 7198.7591986397. The cubic root of 51822134 is about 372.8250610582.

Adding to 51822134 its reverse (43122815), we get a palindrome (94944949).

The spelling of 51822134 in words is "fifty-one million, eight hundred twenty-two thousand, one hundred thirty-four".