49047151 has 4 divisors (see below), whose sum is σ = 51628600. Its totient is φ = 46465704.

The previous prime is 49047143. The next prime is 49047169. The reversal of 49047151 is 15174094.

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 49047151 - 2³ = 49047143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49047451) 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, 1290696 + ... + 1290733.

It is an arithmetic number, because the mean of its divisors is an integer number (12907150).

Almost surely, 2^49047151 is an apocalyptic number.

49047151 is a deficient number, since it is larger than the sum of its proper divisors (2581449).

49047151 is a wasteful number, since it uses less digits than its factorization.

49047151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581448.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 49047151 is about 7003.3671187508. The cubic root of 49047151 is about 366.0479074717.

The spelling of 49047151 in words is "forty-nine million, forty-seven thousand, one hundred fifty-one".