51346579 has 8 divisors (see below), whose sum is σ = 55289520. Its totient is φ = 47506176.

The previous prime is 51346543. The next prime is 51346591. The reversal of 51346579 is 97564315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51346579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51346679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24594 + ... + 26599.

It is an arithmetic number, because the mean of its divisors is an integer number (6911190).

Almost surely, 2^51346579 is an apocalyptic number.

51346579 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

51346579 is a deficient number, since it is larger than the sum of its proper divisors (3942941).

51346579 is a wasteful number, since it uses less digits than its factorization.

51346579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51269.

The product of its digits is 113400, while the sum is 40.

The square root of 51346579 is about 7165.6527267235. The cubic root of 51346579 is about 371.6811229494.

The spelling of 51346579 in words is "fifty-one million, three hundred forty-six thousand, five hundred seventy-nine".