47755444 has 12 divisors (see below), whose sum is σ = 91169568. Its totient is φ = 21707000.

The previous prime is 47755441. The next prime is 47755457. The reversal of 47755444 is 44455774.

It is a junction number, because it is equal to n+sod(n) for n = 47755397 and 47755406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47755441) 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, 542632 + ... + 542719.

It is an arithmetic number, because the mean of its divisors is an integer number (7597464).

Almost surely, 2^47755444 is an apocalyptic number.

47755444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47755444 is a deficient number, since it is larger than the sum of its proper divisors (43414124).

47755444 is a wasteful number, since it uses less digits than its factorization.

47755444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085366 (or 1085364 counting only the distinct ones).

The product of its digits is 313600, while the sum is 40.

The square root of 47755444 is about 6910.5313833308. The cubic root of 47755444 is about 362.8058621868.

The spelling of 47755444 in words is "forty-seven million, seven hundred fifty-five thousand, four hundred forty-four".