47554645 has 8 divisors (see below), whose sum is σ = 57211704. Its totient is φ = 37946304.

The previous prime is 47554643. The next prime is 47554667. The reversal of 47554645 is 54645574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14273284 + 33281361 = 3778^2 + 5769^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47554645 - 2¹ = 47554643 is a prime.

It is a super-2 number, since 2×47554645² = 4522888522152050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47554598 and 47554607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47554643) 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, 9994 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (7151463).

Almost surely, 2^47554645 is an apocalyptic number.

It is an amenable number.

47554645 is a deficient number, since it is larger than the sum of its proper divisors (9657059).

47554645 is a wasteful number, since it uses less digits than its factorization.

47554645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24359.

The product of its digits is 336000, while the sum is 40.

The square root of 47554645 is about 6895.9876014970. The cubic root of 47554645 is about 362.2966469444.

The spelling of 47554645 in words is "forty-seven million, five hundred fifty-four thousand, six hundred forty-five".