55533610001 has 16 divisors (see below), whose sum is σ = 60497582400. Its totient is φ = 50775278400.

The previous prime is 55533609983. The next prime is 55533610019. The reversal of 55533610001 is 10001633555.

It is an interprime number because it is at equal distance from previous prime (55533609983) and next prime (55533610019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55533610001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55533616001) 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, 1374671 + ... + 1414491.

It is an arithmetic number, because the mean of its divisors is an integer number (3781098900).

Almost surely, 2^55533610001 is an apocalyptic number.

It is an amenable number.

55533610001 is a deficient number, since it is larger than the sum of its proper divisors (4963972399).

55533610001 is a wasteful number, since it uses less digits than its factorization.

55533610001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42400.

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 55533610001 in words is "fifty-five billion, five hundred thirty-three million, six hundred ten thousand, one".