54690135443 has 4 divisors (see below), whose sum is σ = 54691756560. Its totient is φ = 54688514328.

The previous prime is 54690135421. The next prime is 54690135499. The reversal of 54690135443 is 34453109645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34453109645 = 5 ⋅6890621929.

It is a cyclic number.

It is not a de Polignac number, because 54690135443 - 2¹⁸ = 54689873299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54690135394 and 54690135403.

It is not an unprimeable number, because it can be changed into a prime (54690138443) 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, 758855 + ... + 827792.

It is an arithmetic number, because the mean of its divisors is an integer number (13672939140).

Almost surely, 2^54690135443 is an apocalyptic number.

54690135443 is a deficient number, since it is larger than the sum of its proper divisors (1621117).

54690135443 is a wasteful number, since it uses less digits than its factorization.

54690135443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621116.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 54690135443 in words is "fifty-four billion, six hundred ninety million, one hundred thirty-five thousand, four hundred forty-three".