54131274252 has 36 divisors (see below), whose sum is σ = 149271090696. Its totient is φ = 16403416320.

The previous prime is 54131274229. The next prime is 54131274277. The reversal of 54131274252 is 25247213145.

54131274252 is a `hidden beast` number, since 5 + 4 + 131 + 274 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68347173 + ... + 68347964.

It is an arithmetic number, because the mean of its divisors is an integer number (4146419186).

Almost surely, 2^54131274252 is an apocalyptic number.

It is an amenable number.

54131274252 is an abundant number, since it is smaller than the sum of its proper divisors (95139816444).

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

54131274252 is a wasteful number, since it uses less digits than its factorization.

54131274252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136695158 (or 136695153 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

Adding to 54131274252 its reverse (25247213145), we get a palindrome (79378487397).

The spelling of 54131274252 in words is "fifty-four billion, one hundred thirty-one million, two hundred seventy-four thousand, two hundred fifty-two".