54992445 has 8 divisors (see below), whose sum is σ = 87987936. Its totient is φ = 29329296.

The previous prime is 54992437. The next prime is 54992447. The reversal of 54992445 is 54429945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54992445 - 2³ = 54992437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54992397 and 54992406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54992447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833067 + ... + 1833096.

It is an arithmetic number, because the mean of its divisors is an integer number (10998492).

Almost surely, 2^54992445 is an apocalyptic number.

It is an amenable number.

54992445 is a deficient number, since it is larger than the sum of its proper divisors (32995491).

54992445 is a wasteful number, since it uses less digits than its factorization.

54992445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666171.

The product of its digits is 259200, while the sum is 42.

The square root of 54992445 is about 7415.6891116066. The cubic root of 54992445 is about 380.2778323661.

Subtracting from 54992445 its reverse (54429945), we obtain a square (562500 = 750²).

The spelling of 54992445 in words is "fifty-four million, nine hundred ninety-two thousand, four hundred forty-five".