51322545101 has 4 divisors (see below), whose sum is σ = 52978111104. Its totient is φ = 49666979100.

The previous prime is 51322545073. The next prime is 51322545103. The reversal of 51322545101 is 10154522315.

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 51322545101 - 2¹⁴ = 51322528717 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 (51322545103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827782955 + ... + 827783016.

It is an arithmetic number, because the mean of its divisors is an integer number (13244527776).

Almost surely, 2^51322545101 is an apocalyptic number.

It is an amenable number.

51322545101 is a deficient number, since it is larger than the sum of its proper divisors (1655566003).

51322545101 is a wasteful number, since it uses less digits than its factorization.

51322545101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655566002.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 51322545101 in words is "fifty-one billion, three hundred twenty-two million, five hundred forty-five thousand, one hundred one".