51979353 has 16 divisors (see below), whose sum is σ = 73529856. Its totient is φ = 32549120.

The previous prime is 51979351. The next prime is 51979357. The reversal of 51979353 is 35397915.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51979353 - 2¹ = 51979351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51979351) 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 in 15 ways as a sum of consecutive naturals, for example, 43423 + ... + 44603.

It is an arithmetic number, because the mean of its divisors is an integer number (4595616).

Almost surely, 2^51979353 is an apocalyptic number.

It is an amenable number.

51979353 is a deficient number, since it is larger than the sum of its proper divisors (21550503).

51979353 is a wasteful number, since it uses less digits than its factorization.

51979353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 127575, while the sum is 42.

The square root of 51979353 is about 7209.6707969227. The cubic root of 51979353 is about 373.2017083998.

The spelling of 51979353 in words is "fifty-one million, nine hundred seventy-nine thousand, three hundred fifty-three".