47957312 has 28 divisors (see below), whose sum is σ = 102487476. Its totient is φ = 22133760.

The previous prime is 47957303. The next prime is 47957321. The reversal of 47957312 is 21375974.

It is an interprime number because it is at equal distance from previous prime (47957303) and next prime (47957321).

It can be written as a sum of positive squares in 2 ways, for example, as 3013696 + 44943616 = 1736^2 + 6704^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27989 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (3660267).

Almost surely, 2^47957312 is an apocalyptic number.

It is an amenable number.

47957312 is an abundant number, since it is smaller than the sum of its proper divisors (54530164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47957312 is a wasteful number, since it uses less digits than its factorization.

47957312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57666 (or 57656 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 47957312 is about 6925.1218039829. The cubic root of 47957312 is about 363.3163515523.

The spelling of 47957312 in words is "forty-seven million, nine hundred fifty-seven thousand, three hundred twelve".