51016057 has 4 divisors (see below), whose sum is σ = 51031296. Its totient is φ = 51000820.

The previous prime is 51016039. The next prime is 51016079. The reversal of 51016057 is 75061015.

51016057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51016057 - 2¹⁹ = 50491769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51016087) 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 3 ways as a sum of consecutive naturals, for example, 169 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (12757824).

Almost surely, 2^51016057 is an apocalyptic number.

It is an amenable number.

51016057 is a deficient number, since it is larger than the sum of its proper divisors (15239).

51016057 is a wasteful number, since it uses less digits than its factorization.

51016057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 51016057 is about 7142.5525549344. The cubic root of 51016057 is about 370.8818919650.

The spelling of 51016057 in words is "fifty-one million, sixteen thousand, fifty-seven".