54903619 has 4 divisors (see below), whose sum is σ = 55723144. Its totient is φ = 54084096.

The previous prime is 54903613. The next prime is 54903623. The reversal of 54903619 is 91630945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54903619 - 2⁷ = 54903491 is a prime.

It is a super-2 number, since 2×54903619² = 6028814758594322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54903613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409662 + ... + 409795.

It is an arithmetic number, because the mean of its divisors is an integer number (13930786).

Almost surely, 2^54903619 is an apocalyptic number.

54903619 is a deficient number, since it is larger than the sum of its proper divisors (819525).

54903619 is an equidigital number, since it uses as much as digits as its factorization.

54903619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819524.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 54903619 is about 7409.6976321575. The cubic root of 54903619 is about 380.0729753662.

The spelling of 54903619 in words is "fifty-four million, nine hundred three thousand, six hundred nineteen".