49525440161 has 8 divisors (see below), whose sum is σ = 51744404544. Its totient is φ = 47311949520.

The previous prime is 49525440137. The next prime is 49525440169. The reversal of 49525440161 is 16104452594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49525440161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49525440169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349930 + ... + 1386131.

It is an arithmetic number, because the mean of its divisors is an integer number (6468050568).

Almost surely, 2^49525440161 is an apocalyptic number.

It is an amenable number.

49525440161 is a deficient number, since it is larger than the sum of its proper divisors (2218964383).

49525440161 is a wasteful number, since it uses less digits than its factorization.

49525440161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736871.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 49525440161 in words is "forty-nine billion, five hundred twenty-five million, four hundred forty thousand, one hundred sixty-one".