5534561421 has 12 divisors (see below), whose sum is σ = 7995042172. Its totient is φ = 3689395776.

The previous prime is 5534561419. The next prime is 5534561443. The reversal of 5534561421 is 1241654355.

5534561421 is a `hidden beast` number, since 5 + 5 + 34 + 5 + 614 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2336658921 + 3197902500 = 48339^2 + 56550^2 .

It is not a de Polignac number, because 5534561421 - 2¹ = 5534561419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5534569421) 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, 147075 + ... + 180831.

Almost surely, 2^5534561421 is an apocalyptic number.

It is an amenable number.

5534561421 is a deficient number, since it is larger than the sum of its proper divisors (2460480751).

5534561421 is a wasteful number, since it uses less digits than its factorization.

5534561421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51980 (or 51977 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5534561421 is about 74394.6330120661. The cubic root of 5534561421 is about 1768.8638394667.

The spelling of 5534561421 in words is "five billion, five hundred thirty-four million, five hundred sixty-one thousand, four hundred twenty-one".