47355988 has 12 divisors (see below), whose sum is σ = 86476320. Its totient is φ = 22648472.

The previous prime is 47355949. The next prime is 47355991. The reversal of 47355988 is 88955374.

It is a super-2 number, since 2×47355988² = 4485179198912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257278 + ... + 257461.

It is an arithmetic number, because the mean of its divisors is an integer number (7206360).

Almost surely, 2^47355988 is an apocalyptic number.

It is an amenable number.

47355988 is a deficient number, since it is larger than the sum of its proper divisors (39120332).

47355988 is a wasteful number, since it uses less digits than its factorization.

47355988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514766 (or 514764 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 47355988 is about 6881.5687165064. The cubic root of 47355988 is about 361.7914511566.

The spelling of 47355988 in words is "forty-seven million, three hundred fifty-five thousand, nine hundred eighty-eight".