51472811 has 12 divisors (see below), whose sum is σ = 56277648. Its totient is φ = 46799424.

The previous prime is 51472801. The next prime is 51472819. The reversal of 51472811 is 11827415.

51472811 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 51472811 - 2¹⁰ = 51471787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51472819) 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 11 ways as a sum of consecutive naturals, for example, 68906 + ... + 69648.

It is an arithmetic number, because the mean of its divisors is an integer number (4689804).

Almost surely, 2^51472811 is an apocalyptic number.

51472811 is a deficient number, since it is larger than the sum of its proper divisors (4804837).

51472811 is an equidigital number, since it uses as much as digits as its factorization.

51472811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 829 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 51472811 is about 7174.4554497188. The cubic root of 51472811 is about 371.9854577697.

The spelling of 51472811 in words is "fifty-one million, four hundred seventy-two thousand, eight hundred eleven".