54919205 has 16 divisors (see below), whose sum is σ = 72131904. Its totient is φ = 39809280.

The previous prime is 54919187. The next prime is 54919217. The reversal of 54919205 is 50291945.

It is not a de Polignac number, because 54919205 - 2²⁰ = 53870629 is a prime.

It is a super-2 number, since 2×54919205² = 6032238155664050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 17054 + ... + 20016.

It is an arithmetic number, because the mean of its divisors is an integer number (4508244).

Almost surely, 2^54919205 is an apocalyptic number.

54919205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54919205 is a deficient number, since it is larger than the sum of its proper divisors (17212699).

54919205 is a wasteful number, since it uses less digits than its factorization.

54919205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 54919205 is about 7410.7492873528. The cubic root of 54919205 is about 380.1089369115.

The spelling of 54919205 in words is "fifty-four million, nine hundred nineteen thousand, two hundred five".