47554445 has 8 divisors (see below), whose sum is σ = 57788160. Its totient is φ = 37561680.

The previous prime is 47554427. The next prime is 47554447. The reversal of 47554445 is 54445574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47554445 - 2²⁰ = 46505869 is a prime.

It is a super-2 number, since 2×47554445² = 4522850478516050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47554399 and 47554408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47554447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59801 + ... + 60590.

It is an arithmetic number, because the mean of its divisors is an integer number (7223520).

Almost surely, 2^47554445 is an apocalyptic number.

It is an amenable number.

47554445 is a deficient number, since it is larger than the sum of its proper divisors (10233715).

47554445 is a wasteful number, since it uses less digits than its factorization.

47554445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120475.

The product of its digits is 224000, while the sum is 38.

The square root of 47554445 is about 6895.9731002956. The cubic root of 47554445 is about 362.2961390414.

The spelling of 47554445 in words is "forty-seven million, five hundred fifty-four thousand, four hundred forty-five".