54994405 has 8 divisors (see below), whose sum is σ = 69875352. Its totient is φ = 41407488.

The previous prime is 54994397. The next prime is 54994409. The reversal of 54994405 is 50449945.

It can be written as a sum of positive squares in 4 ways, for example, as 17564481 + 37429924 = 4191^2 + 6118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54994405 - 2³ = 54994397 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 (54994409) 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, 323412 + ... + 323581.

It is an arithmetic number, because the mean of its divisors is an integer number (8734419).

Almost surely, 2^54994405 is an apocalyptic number.

It is an amenable number.

54994405 is a deficient number, since it is larger than the sum of its proper divisors (14880947).

54994405 is a wasteful number, since it uses less digits than its factorization.

54994405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647015.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 54994405 is about 7415.8212626789. The cubic root of 54994405 is about 380.2823501728.

The spelling of 54994405 in words is "fifty-four million, nine hundred ninety-four thousand, four hundred five".