54421455 has 32 divisors (see below), whose sum is σ = 96565248. Its totient is φ = 25948800.

The previous prime is 54421397. The next prime is 54421481. The reversal of 54421455 is 55412445.

It is not a de Polignac number, because 54421455 - 2⁷ = 54421327 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7362 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (3017664).

Almost surely, 2^54421455 is an apocalyptic number.

54421455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54421455 is a deficient number, since it is larger than the sum of its proper divisors (42143793).

54421455 is a wasteful number, since it uses less digits than its factorization.

54421455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its digits is 16000, while the sum is 30.

The square root of 54421455 is about 7377.0898733850. The cubic root of 54421455 is about 378.9571011704.

The spelling of 54421455 in words is "fifty-four million, four hundred twenty-one thousand, four hundred fifty-five".