47390054 has 4 divisors (see below), whose sum is σ = 71085084. Its totient is φ = 23695026.

The previous prime is 47390017. The next prime is 47390087. The reversal of 47390054 is 45009374.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47390054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847512 + ... + 11847515.

It is an arithmetic number, because the mean of its divisors is an integer number (17771271).

Almost surely, 2^47390054 is an apocalyptic number.

47390054 is a deficient number, since it is larger than the sum of its proper divisors (23695030).

47390054 is a wasteful number, since it uses less digits than its factorization.

47390054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23695029.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 47390054 is about 6884.0434339129. The cubic root of 47390054 is about 361.8781831198.

The spelling of 47390054 in words is "forty-seven million, three hundred ninety thousand, fifty-four".