49988877 has 4 divisors (see below), whose sum is σ = 66651840. Its totient is φ = 33325916.

The previous prime is 49988849. The next prime is 49988879. The reversal of 49988877 is 77888994.

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.

It is a cyclic number.

It is not a de Polignac number, because 49988877 - 2⁸ = 49988621 is a prime.

It is a super-2 number, since 2×49988877² = 4997775647442258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49988877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49988879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331477 + ... + 8331482.

It is an arithmetic number, because the mean of its divisors is an integer number (16662960).

Almost surely, 2^49988877 is an apocalyptic number.

It is an amenable number.

49988877 is a deficient number, since it is larger than the sum of its proper divisors (16662963).

49988877 is a wasteful number, since it uses less digits than its factorization.

49988877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662962.

The product of its digits is 8128512, while the sum is 60.

The square root of 49988877 is about 7070.2812532459. The cubic root of 49988877 is about 368.3758295165.

The spelling of 49988877 in words is "forty-nine million, nine hundred eighty-eight thousand, eight hundred seventy-seven".