47855051 has 4 divisors (see below), whose sum is σ = 50670072. Its totient is φ = 45040032.

The previous prime is 47855021. The next prime is 47855057. The reversal of 47855051 is 15055874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47855051 - 2¹⁴ = 47838667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47855057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407485 + ... + 1407518.

It is an arithmetic number, because the mean of its divisors is an integer number (12667518).

Almost surely, 2^47855051 is an apocalyptic number.

47855051 is a deficient number, since it is larger than the sum of its proper divisors (2815021).

47855051 is a wasteful number, since it uses less digits than its factorization.

47855051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815020.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 47855051 is about 6917.7345280084. The cubic root of 47855051 is about 363.0579305329.

The spelling of 47855051 in words is "forty-seven million, eight hundred fifty-five thousand, fifty-one".