40054547 has 4 divisors (see below), whose sum is σ = 43135680. Its totient is φ = 36973416.

The previous prime is 40054519. The next prime is 40054559. The reversal of 40054547 is 74545004.

40054547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40054547 - 2²⁰ = 39005971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40054577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540547 + ... + 1540572.

It is an arithmetic number, because the mean of its divisors is an integer number (10783920).

Almost surely, 2^40054547 is an apocalyptic number.

40054547 is a deficient number, since it is larger than the sum of its proper divisors (3081133).

40054547 is a wasteful number, since it uses less digits than its factorization.

40054547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081132.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 40054547 is about 6328.8661701761. The cubic root of 40054547 is about 342.1505754879.

The spelling of 40054547 in words is "forty million, fifty-four thousand, five hundred forty-seven".