49015501 has 6 divisors (see below), whose sum is σ = 50082830. Its totient is φ = 47970456.

The previous prime is 49015469. The next prime is 49015559. The reversal of 49015501 is 10551094.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 4473225 = 6674^2 + 2115^2 .

It is not a de Polignac number, because 49015501 - 2⁵ = 49015469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49015201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8886 + ... + 13303.

Almost surely, 2^49015501 is an apocalyptic number.

It is an amenable number.

49015501 is a deficient number, since it is larger than the sum of its proper divisors (1067329).

49015501 is an equidigital number, since it uses as much as digits as its factorization.

49015501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22283 (or 22236 counting only the distinct ones).

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

The square root of 49015501 is about 7001.1071267336. The cubic root of 49015501 is about 365.9691539394.

Adding to 49015501 its reverse (10551094), we get a palindrome (59566595).

The spelling of 49015501 in words is "forty-nine million, fifteen thousand, five hundred one".