55611656061 has 32 divisors (see below), whose sum is σ = 82097444352. Its totient is φ = 33268052160.

The previous prime is 55611656057. The next prime is 55611656071. The reversal of 55611656061 is 16065611655.

It is not a de Polignac number, because 55611656061 - 2² = 55611656057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55611656071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275266 + ... + 432428.

It is an arithmetic number, because the mean of its divisors is an integer number (2565545136).

Almost surely, 2^55611656061 is an apocalyptic number.

It is an amenable number.

55611656061 is a deficient number, since it is larger than the sum of its proper divisors (26485788291).

55611656061 is a wasteful number, since it uses less digits than its factorization.

55611656061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157433.

The product of its (nonzero) digits is 162000, while the sum is 42.

It can be divided in two parts, 55 and 611656061, that added together give a palindrome (611656116).

The spelling of 55611656061 in words is "fifty-five billion, six hundred eleven million, six hundred fifty-six thousand, sixty-one".