1000054555000 has 40 divisors (see below), whose sum is σ = 2343127834080. Its totient is φ = 400021820000.

The previous prime is 1000054554973. The next prime is 1000054555009. The reversal of 1000054555000 is 5554500001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1000054555000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000054555009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 100000456 + ... + 100010455.

It is an arithmetic number, because the mean of its divisors is an integer number (58578195852).

Almost surely, 2^{1000054555000} is an apocalyptic number.

1000054555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000054555000 is an abundant number, since it is smaller than the sum of its proper divisors (1343073279080).

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

1000054555000 is an equidigital number, since it uses as much as digits as its factorization.

1000054555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200010937 (or 200010918 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 1000054555000 in words is "one trillion, fifty-four million, five hundred fifty-five thousand".