55051050000 has 120 divisors (see below), whose sum is σ = 177758122752. Its totient is φ = 14680240000.

The previous prime is 55051049959. The next prime is 55051050007. The reversal of 55051050000 is 5015055.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×55051050000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55051050007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33504 + ... + 333503.

Almost surely, 2^55051050000 is an apocalyptic number.

55051050000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55051050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88879061376).

55051050000 is an abundant number, since it is smaller than the sum of its proper divisors (122707072752).

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

55051050000 is an equidigital number, since it uses as much as digits as its factorization.

55051050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367043 (or 367017 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

Adding to 55051050000 its reverse (5015055), we get a palindrome (55056065055).

The spelling of 55051050000 in words is "fifty-five billion, fifty-one million, fifty thousand".