47042455 has 8 divisors (see below), whose sum is σ = 56508192. Its totient is φ = 37595808.

The previous prime is 47042447. The next prime is 47042497. The reversal of 47042455 is 55424074.

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 47042455 - 2³ = 47042447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (7063524).

Almost surely, 2^47042455 is an apocalyptic number.

47042455 is a deficient number, since it is larger than the sum of its proper divisors (9465737).

47042455 is a wasteful number, since it uses less digits than its factorization.

47042455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 47042455 is about 6858.7502505923. The cubic root of 47042455 is about 360.9912368097.

The spelling of 47042455 in words is "forty-seven million, forty-two thousand, four hundred fifty-five".