552542154561 has 48 divisors (see below), whose sum is σ = 832135449600. Its totient is φ = 366381232128.

The previous prime is 552542154529. The next prime is 552542154569. The reversal of 552542154561 is 165451245255.

It is a happy number.

552542154561 is a `hidden beast` number, since 5 + 5 + 2 + 5 + 42 + 1 + 545 + 61 = 666.

It is not a de Polignac number, because 552542154561 - 2⁵ = 552542154529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552542154569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44271520 + ... + 44283998.

It is an arithmetic number, because the mean of its divisors is an integer number (17336155200).

Almost surely, 2^552542154561 is an apocalyptic number.

It is an amenable number.

552542154561 is a deficient number, since it is larger than the sum of its proper divisors (279593295039).

552542154561 is a wasteful number, since it uses less digits than its factorization.

552542154561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460 (or 13448 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The spelling of 552542154561 in words is "five hundred fifty-two billion, five hundred forty-two million, one hundred fifty-four thousand, five hundred sixty-one".