55455101 has 8 divisors (see below), whose sum is σ = 59818584. Its totient is φ = 51105600.

The previous prime is 55455067. The next prime is 55455121. The reversal of 55455101 is 10155455.

It can be written as a sum of positive squares in 4 ways, for example, as 18232900 + 37222201 = 4270^2 + 6101^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-55455101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55455121) 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, 5651 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (7477323).

Almost surely, 2^55455101 is an apocalyptic number.

It is an amenable number.

55455101 is a deficient number, since it is larger than the sum of its proper divisors (4363483).

55455101 is a wasteful number, since it uses less digits than its factorization.

55455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55455101 is about 7446.8181795986. The cubic root of 55455101 is about 381.3412919067.

It can be divided in two parts, 554 and 55101, that added together give a palindrome (55655).

The spelling of 55455101 in words is "fifty-five million, four hundred fifty-five thousand, one hundred one".