550023532426 has 4 divisors (see below), whose sum is σ = 825035298642. Its totient is φ = 275011766212.

The previous prime is 550023532397. The next prime is 550023532489. The reversal of 550023532426 is 624235320055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624235320055 = 5 ⋅124847064011.

It can be written as a sum of positive squares in only one way, i.e., 548451330625 + 1572201801 = 740575^2 + 39651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137505883105 + ... + 137505883108.

Almost surely, 2^550023532426 is an apocalyptic number.

550023532426 is a deficient number, since it is larger than the sum of its proper divisors (275011766216).

550023532426 is a wasteful number, since it uses less digits than its factorization.

550023532426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275011766215.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 550023532426 in words is "five hundred fifty billion, twenty-three million, five hundred thirty-two thousand, four hundred twenty-six".