54235889 has 4 divisors (see below), whose sum is σ = 54772980. Its totient is φ = 53698800.

The previous prime is 54235877. The next prime is 54235891. The reversal of 54235889 is 98853245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 28174864 = 5105^2 + 5308^2 .

It is a cyclic number.

It is not a de Polignac number, because 54235889 - 2¹⁶ = 54170353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54235859) 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, 268394 + ... + 268595.

It is an arithmetic number, because the mean of its divisors is an integer number (13693245).

Almost surely, 2^54235889 is an apocalyptic number.

It is an amenable number.

54235889 is a deficient number, since it is larger than the sum of its proper divisors (537091).

54235889 is a wasteful number, since it uses less digits than its factorization.

54235889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537090.

The product of its digits is 345600, while the sum is 44.

The square root of 54235889 is about 7364.5019519313. The cubic root of 54235889 is about 378.5258886854.

The spelling of 54235889 in words is "fifty-four million, two hundred thirty-five thousand, eight hundred eighty-nine".