54535819 has 4 divisors (see below), whose sum is σ = 58730896. Its totient is φ = 50340744.

The previous prime is 54535807. The next prime is 54535837. The reversal of 54535819 is 91853545.

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 54535819 - 2¹⁵ = 54503051 is a prime.

It is a super-2 number, since 2×54535819² = 5948311108001522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54535879) 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, 2097519 + ... + 2097544.

It is an arithmetic number, because the mean of its divisors is an integer number (14682724).

Almost surely, 2^54535819 is an apocalyptic number.

54535819 is a deficient number, since it is larger than the sum of its proper divisors (4195077).

54535819 is a wasteful number, since it uses less digits than its factorization.

54535819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195076.

The product of its digits is 108000, while the sum is 40.

The square root of 54535819 is about 7384.8371004376. The cubic root of 54535819 is about 379.2223686525. Note that the first 3 decimals are identical.

The spelling of 54535819 in words is "fifty-four million, five hundred thirty-five thousand, eight hundred nineteen".