550265532544 has 128 divisors (see below), whose sum is σ = 1395734054400. Its totient is φ = 210180870144.

The previous prime is 550265532521. The next prime is 550265532547. The reversal of 550265532544 is 445235562055.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×550265532544² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550265532494 and 550265532503.

It is not an unprimeable number, because it can be changed into a prime (550265532547) 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, 476712 + ... + 1152295.

It is an arithmetic number, because the mean of its divisors is an integer number (10904172300).

Almost surely, 2^550265532544 is an apocalyptic number.

It is an amenable number.

550265532544 is an abundant number, since it is smaller than the sum of its proper divisors (845468521856).

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

550265532544 is a wasteful number, since it uses less digits than its factorization.

550265532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629070 (or 1629058 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 550265532544 in words is "five hundred fifty billion, two hundred sixty-five million, five hundred thirty-two thousand, five hundred forty-four".