51427701 has 48 divisors (see below), whose sum is σ = 86486400. Its totient is φ = 29183616.

The previous prime is 51427693. The next prime is 51427709. The reversal of 51427701 is 10772415.

51427701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51427693) and next prime (51427709).

It is not a de Polignac number, because 51427701 - 2³ = 51427693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51427709) 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 47 ways as a sum of consecutive naturals, for example, 77710 + ... + 78368.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^51427701 is an apocalyptic number.

It is an amenable number.

51427701 is a deficient number, since it is larger than the sum of its proper divisors (35058699).

51427701 is a wasteful number, since it uses less digits than its factorization.

51427701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 51427701 is about 7171.3109680169. The cubic root of 51427701 is about 371.8767585163.

The spelling of 51427701 in words is "fifty-one million, four hundred twenty-seven thousand, seven hundred one".