54998819 has 8 divisors (see below), whose sum is σ = 59369760. Its totient is φ = 50792896.

The previous prime is 54998777. The next prime is 54998821. The reversal of 54998819 is 91889945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54998819 - 2¹⁶ = 54933283 is a prime.

It is a super-2 number, since 2×54998819² = 6049740182789522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54998899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40562 + ... + 41895.

It is an arithmetic number, because the mean of its divisors is an integer number (7421220).

Almost surely, 2^54998819 is an apocalyptic number.

54998819 is a deficient number, since it is larger than the sum of its proper divisors (4370941).

54998819 is a wasteful number, since it uses less digits than its factorization.

54998819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82509.

The product of its digits is 933120, while the sum is 53.

The square root of 54998819 is about 7416.1188636645. The cubic root of 54998819 is about 380.2925240646.

The spelling of 54998819 in words is "fifty-four million, nine hundred ninety-eight thousand, eight hundred nineteen".