51476161 has 4 divisors (see below), whose sum is σ = 56155824. Its totient is φ = 46796500.

The previous prime is 51476141. The next prime is 51476177. The reversal of 51476161 is 16167415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51476161 - 2⁵ = 51476129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51476141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339815 + ... + 2339836.

It is an arithmetic number, because the mean of its divisors is an integer number (14038956).

Almost surely, 2^51476161 is an apocalyptic number.

It is an amenable number.

51476161 is a deficient number, since it is larger than the sum of its proper divisors (4679663).

51476161 is a wasteful number, since it uses less digits than its factorization.

51476161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679662.

The product of its digits is 5040, while the sum is 31.

The square root of 51476161 is about 7174.6889131167. The cubic root of 51476161 is about 371.9935275592.

The spelling of 51476161 in words is "fifty-one million, four hundred seventy-six thousand, one hundred sixty-one".