51200501 has 4 divisors (see below), whose sum is σ = 55855104. Its totient is φ = 46545900.

The previous prime is 51200477. The next prime is 51200509. The reversal of 51200501 is 10500215.

51200501 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 a de Polignac number, because none of the positive numbers 2^k-51200501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51200509) 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, 2327285 + ... + 2327306.

It is an arithmetic number, because the mean of its divisors is an integer number (13963776).

Almost surely, 2^51200501 is an apocalyptic number.

It is an amenable number.

51200501 is a deficient number, since it is larger than the sum of its proper divisors (4654603).

51200501 is a wasteful number, since it uses less digits than its factorization.

51200501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654602.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 51200501 is about 7155.4525363530. The cubic root of 51200501 is about 371.3283178497.

Adding to 51200501 its reverse (10500215), we get a palindrome (61700716).

The spelling of 51200501 in words is "fifty-one million, two hundred thousand, five hundred one".