51476121 has 8 divisors (see below), whose sum is σ = 76260960. Its totient is φ = 34317396.

The previous prime is 51476099. The next prime is 51476123. The reversal of 51476121 is 12167415.

It is a happy number.

51476121 is a `hidden beast` number, since 5 + 1 + 47 + 612 + 1 = 666.

51476121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51476121 - 2⁷ = 51475993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1906523 = 51476121 / (5 + 1 + 4 + 7 + 6 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (51476123) by changing a digit.

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, 953235 + ... + 953288.

It is an arithmetic number, because the mean of its divisors is an integer number (9532620).

Almost surely, 2^51476121 is an apocalyptic number.

It is an amenable number.

51476121 is a deficient number, since it is larger than the sum of its proper divisors (24784839).

51476121 is a wasteful number, since it uses less digits than its factorization.

51476121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906532 (or 1906526 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 51476121 is about 7174.6861255389. The cubic root of 51476121 is about 371.9934312055.

The spelling of 51476121 in words is "fifty-one million, four hundred seventy-six thousand, one hundred twenty-one".