50451623 has 4 divisors (see below), whose sum is σ = 50497440. Its totient is φ = 50405808.

The previous prime is 50451617. The next prime is 50451641. The reversal of 50451623 is 32615405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50451623 - 2⁶ = 50451559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50451592 and 50451601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50457623) 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, 21215 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (12624360).

Almost surely, 2^50451623 is an apocalyptic number.

50451623 is a deficient number, since it is larger than the sum of its proper divisors (45817).

50451623 is a wasteful number, since it uses less digits than its factorization.

50451623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45816.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50451623 is about 7102.9305923682. The cubic root of 50451623 is about 369.5090225054.

The spelling of 50451623 in words is "fifty million, four hundred fifty-one thousand, six hundred twenty-three".