51468155 has 8 divisors (see below), whose sum is σ = 61960992. Its totient is φ = 41041728.

The previous prime is 51468143. The next prime is 51468229. The reversal of 51468155 is 55186415.

It is a happy number.

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 51468155 - 2¹² = 51464059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14879 + ... + 18008.

It is an arithmetic number, because the mean of its divisors is an integer number (7745124).

Almost surely, 2^51468155 is an apocalyptic number.

51468155 is a deficient number, since it is larger than the sum of its proper divisors (10492837).

51468155 is a wasteful number, since it uses less digits than its factorization.

51468155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33205.

The product of its digits is 24000, while the sum is 35.

The square root of 51468155 is about 7174.1309578234. The cubic root of 51468155 is about 371.9742413852.

The spelling of 51468155 in words is "fifty-one million, four hundred sixty-eight thousand, one hundred fifty-five".