49753881 has 12 divisors (see below), whose sum is σ = 73538608. Its totient is φ = 32397624.

The previous prime is 49753877. The next prime is 49753897. The reversal of 49753881 is 18835794.

It is not a de Polignac number, because 49753881 - 2² = 49753877 is a prime.

It is a super-2 number, since 2×49753881² = 4950897349124322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49753811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63895 + ... + 64668.

Almost surely, 2^49753881 is an apocalyptic number.

It is an amenable number.

49753881 is a deficient number, since it is larger than the sum of its proper divisors (23784727).

49753881 is a wasteful number, since it uses less digits than its factorization.

49753881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128612 (or 128609 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 49753881 is about 7053.6431012633. The cubic root of 49753881 is about 367.7976818946.

The spelling of 49753881 in words is "forty-nine million, seven hundred fifty-three thousand, eight hundred eighty-one".