51096623 has 4 divisors (see below), whose sum is σ = 51224448. Its totient is φ = 50968800.

The previous prime is 51096613. The next prime is 51096629. The reversal of 51096623 is 32669015.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32669015 = 5 ⋅6533803.

It is a cyclic number.

It is not a de Polignac number, because 51096623 - 2⁶ = 51096559 is a prime.

It is a super-2 number, since 2×51096623² = 5221729764008258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51096623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51096629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63311 + ... + 64112.

It is an arithmetic number, because the mean of its divisors is an integer number (12806112).

Almost surely, 2^51096623 is an apocalyptic number.

51096623 is a deficient number, since it is larger than the sum of its proper divisors (127825).

51096623 is a wasteful number, since it uses less digits than its factorization.

51096623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127824.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 51096623 is about 7148.1901905307. The cubic root of 51096623 is about 371.0770250053.

The spelling of 51096623 in words is "fifty-one million, ninety-six thousand, six hundred twenty-three".