47345554 has 4 divisors (see below), whose sum is σ = 71018334. Its totient is φ = 23672776.

The previous prime is 47345539. The next prime is 47345593. The reversal of 47345554 is 45554374.

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

It can be written as a sum of positive squares in only one way, i.e., 43204329 + 4141225 = 6573^2 + 2035^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11836387 + ... + 11836390.

Almost surely, 2^47345554 is an apocalyptic number.

47345554 is a deficient number, since it is larger than the sum of its proper divisors (23672780).

47345554 is a wasteful number, since it uses less digits than its factorization.

47345554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23672779.

The product of its digits is 168000, while the sum is 37.

The square root of 47345554 is about 6880.8105627172. The cubic root of 47345554 is about 361.7648778942.

The spelling of 47345554 in words is "forty-seven million, three hundred forty-five thousand, five hundred fifty-four".