51107623 has 8 divisors (see below), whose sum is σ = 60293120. Its totient is φ = 42393240.

The previous prime is 51107603. The next prime is 51107653. The reversal of 51107623 is 32670115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51107623 - 2⁵ = 51107591 is a prime.

It is a super-2 number, since 2×51107623² = 5223978257420258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51107603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117543 + ... + 117976.

It is an arithmetic number, because the mean of its divisors is an integer number (7536640).

Almost surely, 2^51107623 is an apocalyptic number.

51107623 is a deficient number, since it is larger than the sum of its proper divisors (9185497).

51107623 is a wasteful number, since it uses less digits than its factorization.

51107623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235557.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 51107623 is about 7148.9595746514. The cubic root of 51107623 is about 371.1036513860.

Adding to 51107623 its reverse (32670115), we get a palindrome (83777738).

The spelling of 51107623 in words is "fifty-one million, one hundred seven thousand, six hundred twenty-three".