54521235545 has 32 divisors (see below), whose sum is σ = 77755576320. Its totient is φ = 35907701760.

The previous prime is 54521235511. The next prime is 54521235557. The reversal of 54521235545 is 54553212545.

It is not a de Polignac number, because 54521235545 - 2⁶ = 54521235481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53249 + ... + 334481.

It is an arithmetic number, because the mean of its divisors is an integer number (2429861760).

Almost surely, 2^54521235545 is an apocalyptic number.

It is an amenable number.

54521235545 is a deficient number, since it is larger than the sum of its proper divisors (23234340775).

54521235545 is a wasteful number, since it uses less digits than its factorization.

54521235545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281465.

The product of its digits is 600000, while the sum is 41.

The spelling of 54521235545 in words is "fifty-four billion, five hundred twenty-one million, two hundred thirty-five thousand, five hundred forty-five".