54447538 has 4 divisors (see below), whose sum is σ = 81671310. Its totient is φ = 27223768.

The previous prime is 54447527. The next prime is 54447553. The reversal of 54447538 is 83574445.

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., 29517489 + 24930049 = 5433^2 + 4993^2 .

It is a super-2 number, since 2×54447538² = 5929068788522888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54447538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13611883 + ... + 13611886.

Almost surely, 2^54447538 is an apocalyptic number.

54447538 is a deficient number, since it is larger than the sum of its proper divisors (27223772).

54447538 is a wasteful number, since it uses less digits than its factorization.

54447538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27223771.

The product of its digits is 268800, while the sum is 40.

The square root of 54447538 is about 7378.8574996404. The cubic root of 54447538 is about 379.0176334205.

The spelling of 54447538 in words is "fifty-four million, four hundred forty-seven thousand, five hundred thirty-eight".