48797891 has 4 divisors (see below), whose sum is σ = 49836192. Its totient is φ = 47759592.

The previous prime is 48797873. The next prime is 48797911. The reversal of 48797891 is 19879784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48797891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48797821) 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, 519080 + ... + 519173.

It is an arithmetic number, because the mean of its divisors is an integer number (12459048).

Almost surely, 2^48797891 is an apocalyptic number.

48797891 is a deficient number, since it is larger than the sum of its proper divisors (1038301).

48797891 is a wasteful number, since it uses less digits than its factorization.

48797891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038300.

The product of its digits is 1016064, while the sum is 53.

The square root of 48797891 is about 6985.5487257624. The cubic root of 48797891 is about 365.4267629789.

The spelling of 48797891 in words is "forty-eight million, seven hundred ninety-seven thousand, eight hundred ninety-one".