47353949 has 4 divisors (see below), whose sum is σ = 47401440. Its totient is φ = 47306460.

The previous prime is 47353937. The next prime is 47353961. The reversal of 47353949 is 94935374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (47353937) and next prime (47353961).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47353949 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 (47353919) 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, 22217 + ... + 24254.

It is an arithmetic number, because the mean of its divisors is an integer number (11850360).

Almost surely, 2^47353949 is an apocalyptic number.

It is an amenable number.

47353949 is a deficient number, since it is larger than the sum of its proper divisors (47491).

47353949 is a wasteful number, since it uses less digits than its factorization.

47353949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47490.

The product of its digits is 408240, while the sum is 44.

The square root of 47353949 is about 6881.4205655519. The cubic root of 47353949 is about 361.7862585478.

The spelling of 47353949 in words is "forty-seven million, three hundred fifty-three thousand, nine hundred forty-nine".