51700077 has 72 divisors (see below), whose sum is σ = 93868320. Its totient is φ = 27025920.

The previous prime is 51700073. The next prime is 51700087. The reversal of 51700077 is 77000715.

51700077 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 51700077 - 2² = 51700073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51700077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51700073) 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 71 ways as a sum of consecutive naturals, for example, 371874 + ... + 372012.

Almost surely, 2^51700077 is an apocalyptic number.

It is an amenable number.

51700077 is a deficient number, since it is larger than the sum of its proper divisors (42168243).

51700077 is a wasteful number, since it uses less digits than its factorization.

51700077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1715, while the sum is 27.

The square root of 51700077 is about 7190.2765593543. The cubic root of 51700077 is about 372.5321252116.

The spelling of 51700077 in words is "fifty-one million, seven hundred thousand, seventy-seven".