54242250515550 has 36 divisors (see below), whose sum is σ = 145730846386320. Its totient is φ = 14464600137360.

The previous prime is 54242250515489. The next prime is 54242250515573. The reversal of 54242250515550 is 5551505224245.

54242250515550 is a `hidden beast` number, since 5 + 4 + 2 + 42 + 2 + 5 + 0 + 51 + 5 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 54242250515496 and 54242250515505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60269166790 + ... + 60269167689.

Almost surely, 2^{54242250515550} is an apocalyptic number.

54242250515550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54242250515550 is an abundant number, since it is smaller than the sum of its proper divisors (91488595870770).

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

54242250515550 is a wasteful number, since it uses less digits than its factorization.

54242250515550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120538334497 (or 120538334489 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 45.

Adding to 54242250515550 its reverse (5551505224245), we get a palindrome (59793755739795).

The spelling of 54242250515550 in words is "fifty-four trillion, two hundred forty-two billion, two hundred fifty million, five hundred fifteen thousand, five hundred fifty".