47138051 has 8 divisors (see below), whose sum is σ = 48049344. Its totient is φ = 46233000.

The previous prime is 47138009. The next prime is 47138057. The reversal of 47138051 is 15083174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47138051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47138057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15416 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (6006168).

Almost surely, 2^47138051 is an apocalyptic number.

47138051 is the 5606-th pentagonal number.

47138051 is a deficient number, since it is larger than the sum of its proper divisors (911293).

47138051 is a wasteful number, since it uses less digits than its factorization.

47138051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 47138051 is about 6865.7156218416. The cubic root of 47138051 is about 361.2355974191.

The spelling of 47138051 in words is "forty-seven million, one hundred thirty-eight thousand, fifty-one".