49651998 has 16 divisors (see below), whose sum is σ = 108331776. Its totient is φ = 15046040.

The previous prime is 49651991. The next prime is 49652003. The reversal of 49651998 is 89915694.

It is a self number, because there is not a number n which added to its sum of digits gives 49651998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49651991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376086 + ... + 376217.

It is an arithmetic number, because the mean of its divisors is an integer number (6770736).

Almost surely, 2^49651998 is an apocalyptic number.

49651998 is an abundant number, since it is smaller than the sum of its proper divisors (58679778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49651998 is a wasteful number, since it uses less digits than its factorization.

49651998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752319.

The product of its digits is 699840, while the sum is 51.

The square root of 49651998 is about 7046.4173875807. The cubic root of 49651998 is about 367.5464590253.

The spelling of 49651998 in words is "forty-nine million, six hundred fifty-one thousand, nine hundred ninety-eight".