47245555 has 24 divisors (see below), whose sum is σ = 66813120. Its totient is φ = 31973760.

The previous prime is 47245547. The next prime is 47245573. The reversal of 47245555 is 55554274.

It is not a de Polignac number, because 47245555 - 2³ = 47245547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18135 + ... + 20575.

It is an arithmetic number, because the mean of its divisors is an integer number (2783880).

Almost surely, 2^47245555 is an apocalyptic number.

47245555 is a deficient number, since it is larger than the sum of its proper divisors (19567565).

47245555 is a wasteful number, since it uses less digits than its factorization.

47245555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2532 counting only the distinct ones).

The product of its digits is 140000, while the sum is 37.

The square root of 47245555 is about 6873.5402086552. The cubic root of 47245555 is about 361.5100026757.

The spelling of 47245555 in words is "forty-seven million, two hundred forty-five thousand, five hundred fifty-five".