51976351 has 4 divisors (see below), whose sum is σ = 59401552. Its totient is φ = 44551152.

The previous prime is 51976349. The next prime is 51976363. The reversal of 51976351 is 15367915.

51976351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51976351 - 2¹ = 51976349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51976351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51976321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712590 + ... + 3712603.

It is an arithmetic number, because the mean of its divisors is an integer number (14850388).

Almost surely, 2^51976351 is an apocalyptic number.

51976351 is a deficient number, since it is larger than the sum of its proper divisors (7425201).

51976351 is an equidigital number, since it uses as much as digits as its factorization.

51976351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425200.

The product of its digits is 28350, while the sum is 37.

The square root of 51976351 is about 7209.4626013317. The cubic root of 51976351 is about 373.1945236682.

Adding to 51976351 its product of digits (28350), we get a triangular number (52004701 = T₁₀₁₉₈).

The spelling of 51976351 in words is "fifty-one million, nine hundred seventy-six thousand, three hundred fifty-one".