48457391 has 12 divisors (see below), whose sum is σ = 51435000. Its totient is φ = 45644688.

The previous prime is 48457313. The next prime is 48457393. The reversal of 48457391 is 19375484.

It is not a de Polignac number, because 48457391 - 2¹⁰ = 48456367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48457393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96860 + ... + 97358.

It is an arithmetic number, because the mean of its divisors is an integer number (4286250).

Almost surely, 2^48457391 is an apocalyptic number.

48457391 is a deficient number, since it is larger than the sum of its proper divisors (2977609).

48457391 is a wasteful number, since it uses less digits than its factorization.

48457391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 787 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 48457391 is about 6961.1343184857. The cubic root of 48457391 is about 364.5748248688.

It can be divided in two parts, 484 and 57391, that added together give a palindrome (57875).

The spelling of 48457391 in words is "forty-eight million, four hundred fifty-seven thousand, three hundred ninety-one".