55601560651 has 16 divisors (see below), whose sum is σ = 72034412800. Its totient is φ = 41677050528.

The previous prime is 55601560591. The next prime is 55601560669. The reversal of 55601560651 is 15606510655.

It is a cyclic number.

It is not a de Polignac number, because 55601560651 - 2¹³ = 55601552459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55601561651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16077381 + ... + 16080838.

It is an arithmetic number, because the mean of its divisors is an integer number (4502150800).

Almost surely, 2^55601560651 is an apocalyptic number.

55601560651 is a deficient number, since it is larger than the sum of its proper divisors (16432852149).

55601560651 is a wasteful number, since it uses less digits than its factorization.

55601560651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32158258.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55601560651 in words is "fifty-five billion, six hundred one million, five hundred sixty thousand, six hundred fifty-one".