49551001 has 4 divisors (see below), whose sum is σ = 50759604. Its totient is φ = 48342400.

The previous prime is 49550999. The next prime is 49551011. The reversal of 49551001 is 10015594.

49551001 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 an emirpimes, since its reverse is a distinct semiprime: 10015594 = 2 ⋅5007797.

It can be written as a sum of positive squares in 2 ways, for example, as 21206025 + 28344976 = 4605^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 49551001 - 2¹ = 49550999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49551011) 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, 604240 + ... + 604321.

It is an arithmetic number, because the mean of its divisors is an integer number (12689901).

Almost surely, 2^49551001 is an apocalyptic number.

49551001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49551001 is a deficient number, since it is larger than the sum of its proper divisors (1208603).

49551001 is a wasteful number, since it uses less digits than its factorization.

49551001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208602.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 49551001 is about 7039.2471898634. The cubic root of 49551001 is about 367.2970814306.

Adding to 49551001 its reverse (10015594), we get a palindrome (59566595).

The spelling of 49551001 in words is "forty-nine million, five hundred fifty-one thousand, one".