48949431 has 4 divisors (see below), whose sum is σ = 65265912. Its totient is φ = 32632952.

The previous prime is 48949421. The next prime is 48949447. The reversal of 48949431 is 13494984.

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

It is a cyclic number.

It is not a de Polignac number, because 48949431 - 2⁵ = 48949399 is a prime.

It is a super-2 number, since 2×48949431² = 4792093590447522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48949421) 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, 8158236 + ... + 8158241.

It is an arithmetic number, because the mean of its divisors is an integer number (16316478).

Almost surely, 2^48949431 is an apocalyptic number.

48949431 is a deficient number, since it is larger than the sum of its proper divisors (16316481).

48949431 is a wasteful number, since it uses less digits than its factorization.

48949431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316480.

The product of its digits is 124416, while the sum is 42.

The square root of 48949431 is about 6996.3869961574. The cubic root of 48949431 is about 365.8046450672.

The spelling of 48949431 in words is "forty-eight million, nine hundred forty-nine thousand, four hundred thirty-one".