47957975 has 18 divisors (see below), whose sum is σ = 64399896. Its totient is φ = 35412000.

The previous prime is 47957971. The next prime is 47957993. The reversal of 47957975 is 57975974.

It is not a de Polignac number, because 47957975 - 2² = 47957971 is a prime.

It is a super-2 number, since 2×47957975² = 4599934732201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47957971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1451 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (3577772).

Almost surely, 2^47957975 is an apocalyptic number.

47957975 is a deficient number, since it is larger than the sum of its proper divisors (16441921).

47957975 is a wasteful number, since it uses less digits than its factorization.

47957975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387 (or 11369 counting only the distinct ones).

The product of its digits is 2778300, while the sum is 53.

The square root of 47957975 is about 6925.1696730116. The cubic root of 47957975 is about 363.3180258025.

The spelling of 47957975 in words is "forty-seven million, nine hundred fifty-seven thousand, nine hundred seventy-five".