49239763 has 4 divisors (see below), whose sum is σ = 49343040. Its totient is φ = 49136488.

The previous prime is 49239761. The next prime is 49239781. The reversal of 49239763 is 36793294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49239763 - 2¹ = 49239761 is a prime.

It is a super-4 number, since 4×49239763⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49239761) 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, 50920 + ... + 51877.

It is an arithmetic number, because the mean of its divisors is an integer number (12335760).

Almost surely, 2^49239763 is an apocalyptic number.

49239763 is a deficient number, since it is larger than the sum of its proper divisors (103277).

49239763 is a wasteful number, since it uses less digits than its factorization.

49239763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103276.

The product of its digits is 244944, while the sum is 43.

The square root of 49239763 is about 7017.1050298538. The cubic root of 49239763 is about 366.5264478543.

The spelling of 49239763 in words is "forty-nine million, two hundred thirty-nine thousand, seven hundred sixty-three".