54405433 has 4 divisors (see below), whose sum is σ = 55016820. Its totient is φ = 53794048.

The previous prime is 54405431. The next prime is 54405467. The reversal of 54405433 is 33450445.

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 9072144 + 45333289 = 3012^2 + 6733^2 .

It is a cyclic number.

It is not a de Polignac number, because 54405433 - 2¹ = 54405431 is a prime.

It is a super-2 number, since 2×54405433² = 5919902279834978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54405431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305560 + ... + 305737.

It is an arithmetic number, because the mean of its divisors is an integer number (13754205).

Almost surely, 2^54405433 is an apocalyptic number.

It is an amenable number.

54405433 is a deficient number, since it is larger than the sum of its proper divisors (611387).

54405433 is an equidigital number, since it uses as much as digits as its factorization.

54405433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611386.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 54405433 is about 7376.0038638819. The cubic root of 54405433 is about 378.9199084455.

Adding to 54405433 its reverse (33450445), we get a palindrome (87855878).

The spelling of 54405433 in words is "fifty-four million, four hundred five thousand, four hundred thirty-three".