51550355 has 8 divisors (see below), whose sum is σ = 62037792. Its totient is φ = 41122048.

The previous prime is 51550349. The next prime is 51550379. The reversal of 51550355 is 55305515.

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

It is a cyclic number.

It is not a de Polignac number, because 51550355 - 2⁴ = 51550339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 12839 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (7754724).

Almost surely, 2^51550355 is an apocalyptic number.

51550355 is a deficient number, since it is larger than the sum of its proper divisors (10487437).

51550355 is a wasteful number, since it uses less digits than its factorization.

51550355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29565.

The product of its (nonzero) digits is 9375, while the sum is 29.

The square root of 51550355 is about 7179.8575891169. The cubic root of 51550355 is about 372.1721632473.

The spelling of 51550355 in words is "fifty-one million, five hundred fifty thousand, three hundred fifty-five".