51459155 has 8 divisors (see below), whose sum is σ = 67364784. Its totient is φ = 37424800.

The previous prime is 51459113. The next prime is 51459157. The reversal of 51459155 is 55195415.

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

It is not a de Polignac number, because 51459155 - 2⁸ = 51458899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51459157) 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, 467756 + ... + 467865.

It is an arithmetic number, because the mean of its divisors is an integer number (8420598).

Almost surely, 2^51459155 is an apocalyptic number.

51459155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51459155 is a deficient number, since it is larger than the sum of its proper divisors (15905629).

51459155 is a wasteful number, since it uses less digits than its factorization.

51459155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935637.

The product of its digits is 22500, while the sum is 35.

The square root of 51459155 is about 7173.5036767259. The cubic root of 51459155 is about 371.9525583119.

The spelling of 51459155 in words is "fifty-one million, four hundred fifty-nine thousand, one hundred fifty-five".