51676919 has 12 divisors (see below), whose sum is σ = 60941664. Its totient is φ = 43684704.

The previous prime is 51676909. The next prime is 51676921. The reversal of 51676919 is 91967615.

It is a happy number.

It is not a de Polignac number, because 51676919 - 2⁸ = 51676663 is a prime.

It is a super-2 number, since 2×51676919² = 5341007914665122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51676919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51676909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3647 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (5078472).

Almost surely, 2^51676919 is an apocalyptic number.

51676919 is a deficient number, since it is larger than the sum of its proper divisors (9264745).

51676919 is a wasteful number, since it uses less digits than its factorization.

51676919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14534 (or 14527 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 51676919 is about 7188.6660097684. Note that the first 3 decimals coincide. The cubic root of 51676919 is about 372.4764941701.

The spelling of 51676919 in words is "fifty-one million, six hundred seventy-six thousand, nine hundred nineteen".