47028545 has 8 divisors (see below), whose sum is σ = 59754024. Its totient is φ = 35409664.

The previous prime is 47028523. The next prime is 47028557. The reversal of 47028545 is 54582074.

It can be written as a sum of positive squares in 4 ways, for example, as 4426816 + 42601729 = 2104^2 + 6527^2 .

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 47028545 - 2²² = 42834241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276554 + ... + 276723.

It is an arithmetic number, because the mean of its divisors is an integer number (7469253).

Almost surely, 2^47028545 is an apocalyptic number.

It is an amenable number.

47028545 is a deficient number, since it is larger than the sum of its proper divisors (12725479).

47028545 is a wasteful number, since it uses less digits than its factorization.

47028545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553299.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 47028545 is about 6857.7361424890. The cubic root of 47028545 is about 360.9556527604.

The spelling of 47028545 in words is "forty-seven million, twenty-eight thousand, five hundred forty-five".