54135702198 has 24 divisors (see below), whose sum is σ = 117307923408. Its totient is φ = 18043095312.

The previous prime is 54135702167. The next prime is 54135702211. The reversal of 54135702198 is 89120753145.

54135702198 is a `hidden beast` number, since 54 + 1 + 3 + 570 + 21 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18261 + ... + 329552.

It is an arithmetic number, because the mean of its divisors is an integer number (4887830142).

Almost surely, 2^54135702198 is an apocalyptic number.

54135702198 is an abundant number, since it is smaller than the sum of its proper divisors (63172221210).

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

54135702198 is a wasteful number, since it uses less digits than its factorization.

54135702198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356468 (or 356465 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 54135702198 in words is "fifty-four billion, one hundred thirty-five million, seven hundred two thousand, one hundred ninety-eight".