47842051 has 4 divisors (see below), whose sum is σ = 47927592. Its totient is φ = 47756512.

The previous prime is 47842037. The next prime is 47842061. The reversal of 47842051 is 15024874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15024874 = 2 ⋅7512437.

It is a cyclic number.

It is not a de Polignac number, because 47842051 - 2⁷ = 47841923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47842031) 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, 41926 + ... + 43051.

It is an arithmetic number, because the mean of its divisors is an integer number (11981898).

Almost surely, 2^47842051 is an apocalyptic number.

47842051 is a deficient number, since it is larger than the sum of its proper divisors (85541).

47842051 is an equidigital number, since it uses as much as digits as its factorization.

47842051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85540.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 47842051 is about 6916.7948502178. The cubic root of 47842051 is about 363.0250522164.

The spelling of 47842051 in words is "forty-seven million, eight hundred forty-two thousand, fifty-one".