54955905 has 16 divisors (see below), whose sum is σ = 88041984. Its totient is φ = 29272320.

The previous prime is 54955903. The next prime is 54955907. The reversal of 54955905 is 50955945.

It is an interprime number because it is at equal distance from previous prime (54955903) and next prime (54955907).

It is not a de Polignac number, because 54955905 - 2¹ = 54955903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54955903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13017 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (5502624).

Almost surely, 2^54955905 is an apocalyptic number.

It is an amenable number.

54955905 is a deficient number, since it is larger than the sum of its proper divisors (33086079).

54955905 is a wasteful number, since it uses less digits than its factorization.

54955905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 54955905 is about 7413.2250067025. The cubic root of 54955905 is about 380.1935878804.

The spelling of 54955905 in words is "fifty-four million, nine hundred fifty-five thousand, nine hundred five".