54619893 has 16 divisors (see below), whose sum is σ = 81896640. Its totient is φ = 35973072.

The previous prime is 54619867. The next prime is 54619921. The reversal of 54619893 is 39891645.

It is a happy number.

54619893 is a `hidden beast` number, since 546 + 19 + 8 + 93 = 666.

It is not a de Polignac number, because 54619893 - 2⁸ = 54619637 is a prime.

It is a super-2 number, since 2×54619893² = 5966665422662898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54619823) 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, 9946 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (5118540).

Almost surely, 2^54619893 is an apocalyptic number.

It is an amenable number.

54619893 is a deficient number, since it is larger than the sum of its proper divisors (27276747).

54619893 is a wasteful number, since it uses less digits than its factorization.

54619893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24465 (or 24459 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 54619893 is about 7390.5272477679. The cubic root of 54619893 is about 379.4171419974.

The spelling of 54619893 in words is "fifty-four million, six hundred nineteen thousand, eight hundred ninety-three".