53131822 has 4 divisors (see below), whose sum is σ = 79697736. Its totient is φ = 26565910.

The previous prime is 53131787. The next prime is 53131831. The reversal of 53131822 is 22813135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22813135 = 5 ⋅4562627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13282954 + ... + 13282957.

It is an arithmetic number, because the mean of its divisors is an integer number (19924434).

Almost surely, 2^53131822 is an apocalyptic number.

53131822 is a deficient number, since it is larger than the sum of its proper divisors (26565914).

53131822 is a wasteful number, since it uses less digits than its factorization.

53131822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26565913.

The product of its digits is 1440, while the sum is 25.

The square root of 53131822 is about 7289.1578388727. The cubic root of 53131822 is about 375.9397396637.

Adding to 53131822 its reverse (22813135), we get a palindrome (75944957).

The spelling of 53131822 in words is "fifty-three million, one hundred thirty-one thousand, eight hundred twenty-two".