550546021377 has 24 divisors (see below), whose sum is σ = 918558070560. Its totient is φ = 314036945280.

The previous prime is 550546021369. The next prime is 550546021379. The reversal of 550546021377 is 773120645055.

It is a happy number.

550546021377 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 4 + 602 + 1 + 37 + 7 = 666.

It is not a de Polignac number, because 550546021377 - 2³ = 550546021369 is a prime.

It is a super-2 number, since 2×550546021377² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550546021379) 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, 163559227 + ... + 163562592.

It is an arithmetic number, because the mean of its divisors is an integer number (38273252940).

Almost surely, 2^550546021377 is an apocalyptic number.

It is an amenable number.

550546021377 is a deficient number, since it is larger than the sum of its proper divisors (368012049183).

550546021377 is a wasteful number, since it uses less digits than its factorization.

550546021377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327121853 (or 327121850 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 550546021377 in words is "five hundred fifty billion, five hundred forty-six million, twenty-one thousand, three hundred seventy-seven".