51477155 has 8 divisors (see below), whose sum is σ = 62467200. Its totient is φ = 40718656.

The previous prime is 51477133. The next prime is 51477161. The reversal of 51477155 is 55177415.

51477155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51477155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57395 + ... + 58284.

It is an arithmetic number, because the mean of its divisors is an integer number (7808400).

Almost surely, 2^51477155 is an apocalyptic number.

51477155 is a deficient number, since it is larger than the sum of its proper divisors (10990045).

51477155 is a wasteful number, since it uses less digits than its factorization.

51477155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115773.

The product of its digits is 24500, while the sum is 35.

The square root of 51477155 is about 7174.7581840784. The cubic root of 51477155 is about 371.9959219309.

The spelling of 51477155 in words is "fifty-one million, four hundred seventy-seven thousand, one hundred fifty-five".