48991134 has 16 divisors (see below), whose sum is σ = 98163072. Its totient is φ = 16300248.

The previous prime is 48991099. The next prime is 48991141. The reversal of 48991134 is 43119984.

It is a junction number, because it is equal to n+sod(n) for n = 48991092 and 48991101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (6135192).

Almost surely, 2^48991134 is an apocalyptic number.

48991134 is an abundant number, since it is smaller than the sum of its proper divisors (49171938).

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

48991134 is a wasteful number, since it uses less digits than its factorization.

48991134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15071.

The product of its digits is 31104, while the sum is 39.

The square root of 48991134 is about 6999.3666856366. The cubic root of 48991134 is about 365.9084993279.

The spelling of 48991134 in words is "forty-eight million, nine hundred ninety-one thousand, one hundred thirty-four".