55534819 has 8 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 54470856.

The previous prime is 55534813. The next prime is 55534837. The reversal of 55534819 is 91843555.

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 55534819 - 2¹⁹ = 55010531 is a prime.

It is a super-2 number, since 2×55534819² = 6168232242725522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55534813) 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, 8502 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^55534819 is an apocalyptic number.

55534819 is a deficient number, since it is larger than the sum of its proper divisors (1074461).

55534819 is a wasteful number, since it uses less digits than its factorization.

55534819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249.

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

The square root of 55534819 is about 7452.1687447346. The cubic root of 55534819 is about 381.5239334155.

The spelling of 55534819 in words is "fifty-five million, five hundred thirty-four thousand, eight hundred nineteen".