49815001 has 8 divisors (see below), whose sum is σ = 50438024. Its totient is φ = 49196160.

The previous prime is 49814983. The next prime is 49815013. The reversal of 49815001 is 10051894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6255001 + 43560000 = 2501^2 + 6600^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49815001 - 2¹⁷ = 49683929 is a prime.

It is a super-3 number, since 3×49815001³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49815901) 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, 27541 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (6304753).

Almost surely, 2^49815001 is an apocalyptic number.

It is an amenable number.

49815001 is a deficient number, since it is larger than the sum of its proper divisors (623023).

49815001 is a wasteful number, since it uses less digits than its factorization.

49815001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 49815001 is about 7057.9742844530. The cubic root of 49815001 is about 367.9482269044.

Adding to 49815001 its reverse (10051894), we get a palindrome (59866895).

The spelling of 49815001 in words is "forty-nine million, eight hundred fifteen thousand, one".