49999501 has 4 divisors (see below), whose sum is σ = 50130432. Its totient is φ = 49868572.

The previous prime is 49999489. The next prime is 49999529. The reversal of 49999501 is 10599994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10599994 = 2 ⋅5299997.

It is a cyclic number.

It is not a de Polignac number, because 49999501 - 2¹⁵ = 49966733 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 (49999561) 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 3 ways as a sum of consecutive naturals, for example, 64891 + ... + 65656.

It is an arithmetic number, because the mean of its divisors is an integer number (12532608).

Almost surely, 2^49999501 is an apocalyptic number.

It is an amenable number.

49999501 is a deficient number, since it is larger than the sum of its proper divisors (130931).

49999501 is a wasteful number, since it uses less digits than its factorization.

49999501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130930.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 49999501 is about 7071.0325271491. The cubic root of 49999501 is about 368.4019243055.

It can be divided in two parts, 499 and 99501, that added together give a 5-th power (100000 = 10⁵).

The spelling of 49999501 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred one".