51978303 has 24 divisors (see below), whose sum is σ = 83047328. Its totient is φ = 31119552.

The previous prime is 51978301. The next prime is 51978307. The reversal of 51978303 is 30387915.

It is not a de Polignac number, because 51978303 - 2¹ = 51978301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51978301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675 + ... + 10332.

Almost surely, 2^51978303 is an apocalyptic number.

51978303 is a deficient number, since it is larger than the sum of its proper divisors (31069025).

51978303 is a wasteful number, since it uses less digits than its factorization.

51978303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063 (or 12060 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 51978303 is about 7209.5979776961. The cubic root of 51978303 is about 373.1991954505.

The spelling of 51978303 in words is "fifty-one million, nine hundred seventy-eight thousand, three hundred three".