54221755 has 16 divisors (see below), whose sum is σ = 78736320. Its totient is φ = 34993152.

The previous prime is 54221743. The next prime is 54221771. The reversal of 54221755 is 55712245.

It is a cyclic number.

It is not a de Polignac number, because 54221755 - 2¹¹ = 54219707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44970 + ... + 46159.

It is an arithmetic number, because the mean of its divisors is an integer number (4921020).

Almost surely, 2^54221755 is an apocalyptic number.

54221755 is a deficient number, since it is larger than the sum of its proper divisors (24514565).

54221755 is a wasteful number, since it uses less digits than its factorization.

54221755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91158.

The product of its digits is 14000, while the sum is 31.

The square root of 54221755 is about 7363.5422861555. The cubic root of 54221755 is about 378.4930042502.

The spelling of 54221755 in words is "fifty-four million, two hundred twenty-one thousand, seven hundred fifty-five".