54211542525 has 144 divisors (see below), whose sum is σ = 116400121344. Its totient is φ = 23598397440.

The previous prime is 54211542523. The next prime is 54211542533. The reversal of 54211542525 is 52524511245.

54211542525 is a `hidden beast` number, since 54 + 2 + 11 + 542 + 52 + 5 = 666.

It is not a de Polignac number, because 54211542525 - 2¹ = 54211542523 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54211542525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54211542523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2729029 + ... + 2748821.

It is an arithmetic number, because the mean of its divisors is an integer number (808334176).

Almost surely, 2^54211542525 is an apocalyptic number.

It is an amenable number.

54211542525 is an abundant number, since it is smaller than the sum of its proper divisors (62188578819).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54211542525 is a wasteful number, since it uses less digits than its factorization.

54211542525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19900 (or 19892 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The spelling of 54211542525 in words is "fifty-four billion, two hundred eleven million, five hundred forty-two thousand, five hundred twenty-five".