54819669 has 16 divisors (see below), whose sum is σ = 74223360. Its totient is φ = 35985600.

The previous prime is 54819643. The next prime is 54819689. The reversal of 54819669 is 96691845.

It is not a de Polignac number, because 54819669 - 2⁵ = 54819637 is a prime.

It is a super-2 number, since 2×54819669² = 6010392218539122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54819619) 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, 72039 + ... + 72795.

It is an arithmetic number, because the mean of its divisors is an integer number (4638960).

Almost surely, 2^54819669 is an apocalyptic number.

It is an amenable number.

54819669 is a deficient number, since it is larger than the sum of its proper divisors (19403691).

54819669 is a wasteful number, since it uses less digits than its factorization.

54819669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its digits is 466560, while the sum is 48.

The square root of 54819669 is about 7404.0305915089. The cubic root of 54819669 is about 379.8791605616.

The spelling of 54819669 in words is "fifty-four million, eight hundred nineteen thousand, six hundred sixty-nine".