49997763 has 8 divisors (see below), whose sum is σ = 74070800. Its totient is φ = 33331824.

The previous prime is 49997747. The next prime is 49997771. The reversal of 49997763 is 36779994.

49997763 is a `hidden beast` number, since 499 + 97 + 7 + 63 = 666.

It is not a de Polignac number, because 49997763 - 2⁴ = 49997747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49997063) 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 7 ways as a sum of consecutive naturals, for example, 925858 + ... + 925911.

It is an arithmetic number, because the mean of its divisors is an integer number (9258850).

Almost surely, 2^49997763 is an apocalyptic number.

49997763 is a deficient number, since it is larger than the sum of its proper divisors (24073037).

49997763 is a wasteful number, since it uses less digits than its factorization.

49997763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851778 (or 1851772 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 49997763 is about 7070.9096303092. The cubic root of 49997763 is about 368.3976556631.

The spelling of 49997763 in words is "forty-nine million, nine hundred ninety-seven thousand, seven hundred sixty-three".