54880445 has 4 divisors (see below), whose sum is σ = 65856540. Its totient is φ = 43904352.

The previous prime is 54880433. The next prime is 54880477. The reversal of 54880445 is 54408845.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22686169 + 32194276 = 4763^2 + 5674^2 .

It is a cyclic number.

It is not a de Polignac number, because 54880445 - 2⁴ = 54880429 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 54880399 and 54880408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488040 + ... + 5488049.

It is an arithmetic number, because the mean of its divisors is an integer number (16464135).

Almost surely, 2^54880445 is an apocalyptic number.

It is an amenable number.

54880445 is a deficient number, since it is larger than the sum of its proper divisors (10976095).

54880445 is a wasteful number, since it uses less digits than its factorization.

54880445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976094.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 54880445 is about 7408.1337055968. The cubic root of 54880445 is about 380.0194934598.

The spelling of 54880445 in words is "fifty-four million, eight hundred eighty thousand, four hundred forty-five".