55252354142000 has 80 divisors (see below), whose sum is σ = 133602602582592. Its totient is φ = 22100542937600.

The previous prime is 55252354141993. The next prime is 55252354142009. The reversal of 55252354142000 is 24145325255.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (55252354142009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126836564 + ... + 127271436.

Almost surely, 2^{55252354142000} is an apocalyptic number.

55252354142000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55252354142000 is an abundant number, since it is smaller than the sum of its proper divisors (78350248440592).

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

55252354142000 is a wasteful number, since it uses less digits than its factorization.

55252354142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498423 (or 498407 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 55252354142000 its reverse (24145325255), we get a palindrome (55276499467255).

The spelling of 55252354142000 in words is "fifty-five trillion, two hundred fifty-two billion, three hundred fifty-four million, one hundred forty-two thousand".