55335060561 has 16 divisors (see below), whose sum is σ = 80491541760. Its totient is φ = 33534658320.

The previous prime is 55335060559. The next prime is 55335060589. The reversal of 55335060561 is 16506053355.

It is not a de Polignac number, because 55335060561 - 2¹ = 55335060559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55335060541) 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, 918670 + ... + 977048.

It is an arithmetic number, because the mean of its divisors is an integer number (5030721360).

Almost surely, 2^55335060561 is an apocalyptic number.

It is an amenable number.

55335060561 is a deficient number, since it is larger than the sum of its proper divisors (25156481199).

55335060561 is a wasteful number, since it uses less digits than its factorization.

55335060561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87116.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 55335060561 in words is "fifty-five billion, three hundred thirty-five million, sixty thousand, five hundred sixty-one".