54450405 has 48 divisors (see below), whose sum is σ = 101003760. Its totient is φ = 27039744.

The previous prime is 54450401. The next prime is 54450437. The reversal of 54450405 is 50405445.

It can be written as a sum of positive squares in 8 ways, for example, as 74529 + 54375876 = 273^2 + 7374^2 .

It is not a de Polignac number, because 54450405 - 2² = 54450401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54450401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83059 + ... + 83711.

It is an arithmetic number, because the mean of its divisors is an integer number (2104245).

Almost surely, 2^54450405 is an apocalyptic number.

It is an amenable number.

54450405 is a deficient number, since it is larger than the sum of its proper divisors (46553355).

54450405 is a wasteful number, since it uses less digits than its factorization.

54450405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 54450405 is about 7379.0517683507. The cubic root of 54450405 is about 379.0242858455.

The spelling of 54450405 in words is "fifty-four million, four hundred fifty thousand, four hundred five".