47755251 has 20 divisors (see below), whose sum is σ = 71795592. Its totient is φ = 31632768.

The previous prime is 47755247. The next prime is 47755273. The reversal of 47755251 is 15255774.

It is not a de Polignac number, because 47755251 - 2² = 47755247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47755051) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11395 + ... + 15011.

Almost surely, 2^47755251 is an apocalyptic number.

47755251 is a deficient number, since it is larger than the sum of its proper divisors (24040341).

47755251 is a wasteful number, since it uses less digits than its factorization.

47755251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3783 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 47755251 is about 6910.5174191228. The cubic root of 47755251 is about 362.8053734353.

The spelling of 47755251 in words is "forty-seven million, seven hundred fifty-five thousand, two hundred fifty-one".