51876223 has 4 divisors (see below), whose sum is σ = 59287120. Its totient is φ = 44465328.

The previous prime is 51876211. The next prime is 51876269. The reversal of 51876223 is 32267815.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51876223 is a prime.

It is a super-3 number, since 3×51876223³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51876323) 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, 3705438 + ... + 3705451.

It is an arithmetic number, because the mean of its divisors is an integer number (14821780).

Almost surely, 2^51876223 is an apocalyptic number.

51876223 is a deficient number, since it is larger than the sum of its proper divisors (7410897).

51876223 is an equidigital number, since it uses as much as digits as its factorization.

51876223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410896.

The product of its digits is 20160, while the sum is 34.

The square root of 51876223 is about 7202.5150468430. The cubic root of 51876223 is about 372.9547271634.

The spelling of 51876223 in words is "fifty-one million, eight hundred seventy-six thousand, two hundred twenty-three".