55206621157001 has 8 divisors (see below), whose sum is σ = 59444816401440. Its totient is φ = 51078508906048.

The previous prime is 55206621156917. The next prime is 55206621157013. The reversal of 55206621157001 is 10075112660255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55206621157001 - 2²² = 55206616962697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55206621157001.

It is not an unprimeable number, because it can be changed into a prime (55206621157301) 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, 27520747331 + ... + 27520749336.

It is an arithmetic number, because the mean of its divisors is an integer number (7430602050180).

Almost surely, 2^{55206621157001} is an apocalyptic number.

It is an amenable number.

55206621157001 is a deficient number, since it is larger than the sum of its proper divisors (4238195244439).

55206621157001 is a wasteful number, since it uses less digits than its factorization.

55206621157001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55041496743.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 55206621157001 in words is "fifty-five trillion, two hundred six billion, six hundred twenty-one million, one hundred fifty-seven thousand, one".