51555354 has 8 divisors (see below), whose sum is σ = 103110720. Its totient is φ = 17185116.

The previous prime is 51555353. The next prime is 51555377. The reversal of 51555354 is 45355515.

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

51555354 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51555353) 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 3 ways as a sum of consecutive naturals, for example, 4296274 + ... + 4296285.

It is an arithmetic number, because the mean of its divisors is an integer number (12888840).

Almost surely, 2^51555354 is an apocalyptic number.

51555354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51555354 is a wasteful number, since it uses less digits than its factorization.

51555354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592564.

The product of its digits is 37500, while the sum is 33.

The square root of 51555354 is about 7180.2057073596. The cubic root of 51555354 is about 372.1841930934.

The spelling of 51555354 in words is "fifty-one million, five hundred fifty-five thousand, three hundred fifty-four".