55053456661 has 16 divisors (see below), whose sum is σ = 63899382400. Its totient is φ = 46453746240.

The previous prime is 55053456641. The next prime is 55053456677. The reversal of 55053456661 is 16665435055.

It is a cyclic number.

It is not a de Polignac number, because 55053456661 - 2¹³ = 55053448469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053456611) 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, 688591 + ... + 764371.

It is an arithmetic number, because the mean of its divisors is an integer number (3993711400).

Almost surely, 2^55053456661 is an apocalyptic number.

It is an amenable number.

55053456661 is a deficient number, since it is larger than the sum of its proper divisors (8845925739).

55053456661 is a wasteful number, since it uses less digits than its factorization.

55053456661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77404.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 55053456661 in words is "fifty-five billion, fifty-three million, four hundred fifty-six thousand, six hundred sixty-one".