51988834 has 4 divisors (see below), whose sum is σ = 77983254. Its totient is φ = 25994416.

The previous prime is 51988831. The next prime is 51988837. The reversal of 51988834 is 43888915.

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

It is an interprime number because it is at equal distance from previous prime (51988831) and next prime (51988837).

It can be written as a sum of positive squares in only one way, i.e., 51883209 + 105625 = 7203^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (51988831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12997207 + ... + 12997210.

Almost surely, 2^51988834 is an apocalyptic number.

51988834 is a deficient number, since it is larger than the sum of its proper divisors (25994420).

51988834 is a wasteful number, since it uses less digits than its factorization.

51988834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25994419.

The product of its digits is 276480, while the sum is 46.

The square root of 51988834 is about 7210.3282865623. The cubic root of 51988834 is about 373.2243976028.

The spelling of 51988834 in words is "fifty-one million, nine hundred eighty-eight thousand, eight hundred thirty-four".