55442155352101 has 16 divisors (see below), whose sum is σ = 63503810383104. Its totient is φ = 47415882875904.

The previous prime is 55442155352053. The next prime is 55442155352147. The reversal of 55442155352101 is 10125355124455.

It is a cyclic number.

It is not a de Polignac number, because 55442155352101 - 2¹⁵ = 55442155319333 is a prime.

It is a super-2 number, since 2×55442155352101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442155355101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12647365 + ... + 16457221.

It is an arithmetic number, because the mean of its divisors is an integer number (3968988148944).

Almost surely, 2^{55442155352101} is an apocalyptic number.

It is an amenable number.

55442155352101 is a deficient number, since it is larger than the sum of its proper divisors (8061655031003).

55442155352101 is a wasteful number, since it uses less digits than its factorization.

55442155352101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814500.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 55442155352101 in words is "fifty-five trillion, four hundred forty-two billion, one hundred fifty-five million, three hundred fifty-two thousand, one hundred one".