51345958342578 has 16 divisors (see below), whose sum is σ = 102730918584096. Its totient is φ = 17108819131040.

The previous prime is 51345958342577. The next prime is 51345958342579. The reversal of 51345958342578 is 87524385954315.

It is an interprime number because it is at equal distance from previous prime (51345958342577) and next prime (51345958342579).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51345958342571) 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, 1625062008 + ... + 1625093603.

It is an arithmetic number, because the mean of its divisors is an integer number (6420682411506).

Almost surely, 2^{51345958342578} is an apocalyptic number.

51345958342578 is an abundant number, since it is smaller than the sum of its proper divisors (51384960241518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51345958342578 is a wasteful number, since it uses less digits than its factorization.

51345958342578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250158249.

The product of its digits is 725760000, while the sum is 69.

The spelling of 51345958342578 in words is "fifty-one trillion, three hundred forty-five billion, nine hundred fifty-eight million, three hundred forty-two thousand, five hundred seventy-eight".