47956949 has 6 divisors (see below), whose sum is σ = 50944194. Its totient is φ = 45135680.

The previous prime is 47956943. The next prime is 47956957. The reversal of 47956949 is 94965974.

It can be written as a sum of positive squares in 3 ways, for example, as 12040900 + 35916049 = 3470^2 + 5993^2 .

It is not a de Polignac number, because 47956949 - 2⁴ = 47956933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47956949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47956943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82682 + ... + 83259.

It is an arithmetic number, because the mean of its divisors is an integer number (8490699).

Almost surely, 2^47956949 is an apocalyptic number.

It is an amenable number.

47956949 is a deficient number, since it is larger than the sum of its proper divisors (2987245).

47956949 is a wasteful number, since it uses less digits than its factorization.

47956949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165975 (or 165958 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 47956949 is about 6925.0955950081. The cubic root of 47956949 is about 363.3154348747.

The spelling of 47956949 in words is "forty-seven million, nine hundred fifty-six thousand, nine hundred forty-nine".