49817145601 has 4 divisors (see below), whose sum is σ = 50376888900. Its totient is φ = 49257402304.

The previous prime is 49817145569. The next prime is 49817145613. The reversal of 49817145601 is 10654171894.

49817145601 = 157824² + 157825².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24908414976 + 24908730625 = 157824^2 + 157825^2 .

It is a cyclic number.

It is not a de Polignac number, because 49817145601 - 2⁵ = 49817145569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49817145671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279871516 + ... + 279871693.

It is an arithmetic number, because the mean of its divisors is an integer number (12594222225).

Almost surely, 2^49817145601 is an apocalyptic number.

49817145601 is the 157825-th centered square number.

It is an amenable number.

49817145601 is a deficient number, since it is larger than the sum of its proper divisors (559743299).

49817145601 is an equidigital number, since it uses as much as digits as its factorization.

49817145601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559743298.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 49817145601 in words is "forty-nine billion, eight hundred seventeen million, one hundred forty-five thousand, six hundred one".