28552437554 has 8 divisors (see below), whose sum is σ = 42829558380. Its totient is φ = 14275918096.

The previous prime is 28552437553. The next prime is 28552437593. The reversal of 28552437554 is 45573425582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26966566225 + 1585871329 = 164215^2 + 39823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28552437553) 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, 2609 + ... + 238980.

Almost surely, 2^28552437554 is an apocalyptic number.

28552437554 is a deficient number, since it is larger than the sum of its proper divisors (14277120826).

28552437554 is a wasteful number, since it uses less digits than its factorization.

28552437554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300684.

The product of its digits is 6720000, while the sum is 50.

The spelling of 28552437554 in words is "twenty-eight billion, five hundred fifty-two million, four hundred thirty-seven thousand, five hundred fifty-four".