51979354 has 16 divisors (see below), whose sum is σ = 90619200. Its totient is φ = 21898944.

The previous prime is 51979351. The next prime is 51979357. The reversal of 51979354 is 45397915.

It is an interprime number because it is at equal distance from previous prime (51979351) and next prime (51979357).

It is a self number, because there is not a number n which added to its sum of digits gives 51979354.

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 7 ways as a sum of consecutive naturals, for example, 30639 + ... + 32290.

It is an arithmetic number, because the mean of its divisors is an integer number (5663700).

Almost surely, 2^51979354 is an apocalyptic number.

51979354 is a deficient number, since it is larger than the sum of its proper divisors (38639846).

51979354 is a wasteful number, since it uses less digits than its factorization.

51979354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62997.

The product of its digits is 170100, while the sum is 43.

The square root of 51979354 is about 7209.6708662740. The cubic root of 51979354 is about 373.2017107930.

The spelling of 51979354 in words is "fifty-one million, nine hundred seventy-nine thousand, three hundred fifty-four".