47399051 has 8 divisors (see below), whose sum is σ = 54530304. Its totient is φ = 40357800.

The previous prime is 47399047. The next prime is 47399057. The reversal of 47399051 is 15099374.

It is a happy number.

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

It is not a de Polignac number, because 47399051 - 2² = 47399047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47398996 and 47399014.

It is not an unprimeable number, because it can be changed into a prime (47399057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21365 + ... + 23478.

It is an arithmetic number, because the mean of its divisors is an integer number (6816288).

Almost surely, 2^47399051 is an apocalyptic number.

47399051 is a deficient number, since it is larger than the sum of its proper divisors (7131253).

47399051 is a wasteful number, since it uses less digits than its factorization.

47399051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45001.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 47399051 is about 6884.6968705964. The cubic root of 47399051 is about 361.9010825240.

The spelling of 47399051 in words is "forty-seven million, three hundred ninety-nine thousand, fifty-one".