550145512400 has 60 divisors (see below), whose sum is σ = 1441881386304. Its totient is φ = 200052912000.

The previous prime is 550145512381. The next prime is 550145512403. The reversal of 550145512400 is 4215541055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550145512403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62512136 + ... + 62520935.

Almost surely, 2^550145512400 is an apocalyptic number.

550145512400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550145512400 is an abundant number, since it is smaller than the sum of its proper divisors (891735873904).

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

550145512400 is a wasteful number, since it uses less digits than its factorization.

550145512400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125033100 (or 125033089 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 550145512400 in words is "five hundred fifty billion, one hundred forty-five million, five hundred twelve thousand, four hundred".