54091955 has 16 divisors (see below), whose sum is σ = 68562720. Its totient is φ = 40854528.

The previous prime is 54091951. The next prime is 54091957. The reversal of 54091955 is 55919045.

54091955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54091955 - 2² = 54091951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54091951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32729 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (4285170).

Almost surely, 2^54091955 is an apocalyptic number.

54091955 is a deficient number, since it is larger than the sum of its proper divisors (14470765).

54091955 is a wasteful number, since it uses less digits than its factorization.

54091955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 54091955 is about 7354.7233122668. The cubic root of 54091955 is about 378.1907415234.

The spelling of 54091955 in words is "fifty-four million, ninety-one thousand, nine hundred fifty-five".