54447790 has 16 divisors (see below), whose sum is σ = 101386080. Its totient is φ = 21028000.

The previous prime is 54447733. The next prime is 54447791. The reversal of 54447790 is 9774445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54447791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93586 + ... + 94165.

It is an arithmetic number, because the mean of its divisors is an integer number (6336630).

Almost surely, 2^54447790 is an apocalyptic number.

54447790 is a deficient number, since it is larger than the sum of its proper divisors (46938290).

54447790 is a wasteful number, since it uses less digits than its factorization.

54447790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187787.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 54447790 is about 7378.8745754349. The cubic root of 54447790 is about 379.0182181564.

The spelling of 54447790 in words is "fifty-four million, four hundred forty-seven thousand, seven hundred ninety".