48628891 has 4 divisors (see below), whose sum is σ = 51489432. Its totient is φ = 45768352.

The previous prime is 48628889. The next prime is 48628901. The reversal of 48628891 is 19882684.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 48628891 - 2¹ = 48628889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48628871) 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, 1430245 + ... + 1430278.

It is an arithmetic number, because the mean of its divisors is an integer number (12872358).

Almost surely, 2^48628891 is an apocalyptic number.

48628891 is a deficient number, since it is larger than the sum of its proper divisors (2860541).

48628891 is a wasteful number, since it uses less digits than its factorization.

48628891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860540.

The product of its digits is 221184, while the sum is 46.

The square root of 48628891 is about 6973.4418331266. The cubic root of 48628891 is about 365.0044185366.

The spelling of 48628891 in words is "forty-eight million, six hundred twenty-eight thousand, eight hundred ninety-one".