55510661015001 has 8 divisors (see below), whose sum is σ = 82238016318560. Its totient is φ = 37007107343316.

The previous prime is 55510661014993. The next prime is 55510661015009. The reversal of 55510661015001 is 10051016601555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55510661014993) and next prime (55510661015009).

It is not a de Polignac number, because 55510661015001 - 2³ = 55510661014993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55510661015009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027975203955 + ... + 1027975204008.

It is an arithmetic number, because the mean of its divisors is an integer number (10279752039820).

Almost surely, 2^{55510661015001} is an apocalyptic number.

It is an amenable number.

55510661015001 is a deficient number, since it is larger than the sum of its proper divisors (26727355303559).

55510661015001 is a wasteful number, since it uses less digits than its factorization.

55510661015001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055950407972 (or 2055950407966 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

Adding to 55510661015001 its reverse (10051016601555), we get a palindrome (65561677616556).

The spelling of 55510661015001 in words is "fifty-five trillion, five hundred ten billion, six hundred sixty-one million, fifteen thousand, one".