55611001537 has 16 divisors (see below), whose sum is σ = 68471425792. Its totient is φ = 43982481600.

The previous prime is 55611001529. The next prime is 55611001573. The reversal of 55611001537 is 73510011655.

It is a cyclic number.

It is not a de Polignac number, because 55611001537 - 2³ = 55611001529 is a prime.

It is a super-3 number, since 3×55611001537³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55611001577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112363 + ... + 351919.

It is an arithmetic number, because the mean of its divisors is an integer number (4279464112).

Almost surely, 2^55611001537 is an apocalyptic number.

It is an amenable number.

55611001537 is a deficient number, since it is larger than the sum of its proper divisors (12860424255).

55611001537 is a wasteful number, since it uses less digits than its factorization.

55611001537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242128.

The product of its (nonzero) digits is 15750, while the sum is 34.

The spelling of 55611001537 in words is "fifty-five billion, six hundred eleven million, one thousand, five hundred thirty-seven".