54671819 has 16 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 51671040.

The previous prime is 54671807. The next prime is 54671821. The reversal of 54671819 is 91817645.

54671819 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 54671819 - 2⁴ = 54671803 is a prime.

It is a super-2 number, since 2×54671819² = 5978015585537522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54671839) 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, 234527 + ... + 234759.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 2^54671819 is an apocalyptic number.

54671819 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

54671819 is a deficient number, since it is larger than the sum of its proper divisors (3116821).

54671819 is a wasteful number, since it uses less digits than its factorization.

54671819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 60480, while the sum is 41.

The square root of 54671819 is about 7394.0394237521. The cubic root of 54671819 is about 379.5373385865.

The spelling of 54671819 in words is "fifty-four million, six hundred seventy-one thousand, eight hundred nineteen".