49641001 has 4 divisors (see below), whose sum is σ = 49686100. Its totient is φ = 49595904.

The previous prime is 49640971. The next prime is 49641029. The reversal of 49641001 is 10014694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10014694 = 2 ⋅5007347.

It can be written as a sum of positive squares in 2 ways, for example, as 17139600 + 32501401 = 4140^2 + 5701^2 .

It is a cyclic number.

It is not a de Polignac number, because 49641001 - 2¹⁵ = 49608233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49641701) 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, 20856 + ... + 23113.

It is an arithmetic number, because the mean of its divisors is an integer number (12421525).

Almost surely, 2^49641001 is an apocalyptic number.

It is an amenable number.

49641001 is a deficient number, since it is larger than the sum of its proper divisors (45099).

49641001 is a wasteful number, since it uses less digits than its factorization.

49641001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45098.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 49641001 is about 7045.6370187514. The cubic root of 49641001 is about 367.5193221056.

Adding to 49641001 its reverse (10014694), we get a palindrome (59655695).

The spelling of 49641001 in words is "forty-nine million, six hundred forty-one thousand, one".