51884674 has 4 divisors (see below), whose sum is σ = 77827014. Its totient is φ = 25942336.

The previous prime is 51884671. The next prime is 51884681. The reversal of 51884674 is 47648815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47648815 = 5 ⋅9529763.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 15800625 = 6007^2 + 3975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51884674.

It is not an unprimeable number, because it can be changed into a prime (51884671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12971167 + ... + 12971170.

Almost surely, 2^51884674 is an apocalyptic number.

51884674 is a deficient number, since it is larger than the sum of its proper divisors (25942340).

51884674 is a wasteful number, since it uses less digits than its factorization.

51884674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942339.

The product of its digits is 215040, while the sum is 43.

The square root of 51884674 is about 7203.1016930209. The cubic root of 51884674 is about 372.9749783760.

The spelling of 51884674 in words is "fifty-one million, eight hundred eighty-four thousand, six hundred seventy-four".