51622373 has 16 divisors (see below), whose sum is σ = 61862400. Its totient is φ = 42522480.

The previous prime is 51622369. The next prime is 51622381. The reversal of 51622373 is 37322615.

It is not a de Polignac number, because 51622373 - 2² = 51622369 is a prime.

It is a super-2 number, since 2×51622373² = 5329738788302258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51622343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (3866400).

Almost surely, 2^51622373 is an apocalyptic number.

It is an amenable number.

51622373 is a deficient number, since it is larger than the sum of its proper divisors (10240027).

51622373 is a wasteful number, since it uses less digits than its factorization.

51622373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792.

The product of its digits is 7560, while the sum is 29.

The square root of 51622373 is about 7184.8711192338. The cubic root of 51622373 is about 372.3453959557.

Adding to 51622373 its reverse (37322615), we get a palindrome (88944988).

The spelling of 51622373 in words is "fifty-one million, six hundred twenty-two thousand, three hundred seventy-three".