54993447 has 6 divisors (see below), whose sum is σ = 79434992. Its totient is φ = 36662292.

The previous prime is 54993439. The next prime is 54993461. The reversal of 54993447 is 74439945.

It is a happy number.

It is not a de Polignac number, because 54993447 - 2³ = 54993439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54993427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3055183 + ... + 3055200.

Almost surely, 2^54993447 is an apocalyptic number.

54993447 is a deficient number, since it is larger than the sum of its proper divisors (24441545).

54993447 is a wasteful number, since it uses less digits than its factorization.

54993447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110389 (or 6110386 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 54993447 is about 7415.7566707653. The cubic root of 54993447 is about 380.2801419929.

The spelling of 54993447 in words is "fifty-four million, nine hundred ninety-three thousand, four hundred forty-seven".