55154345501 has 4 divisors (see below), whose sum is σ = 55159031004. Its totient is φ = 55149660000.

The previous prime is 55154345497. The next prime is 55154345503. The reversal of 55154345501 is 10554345155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19262664100 + 35891681401 = 138790^2 + 189451^2 .

It is a cyclic number.

It is not a de Polignac number, because 55154345501 - 2² = 55154345497 is a prime.

It is a super-3 number, since 3×55154345501³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154345503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325050 + ... + 2348651.

It is an arithmetic number, because the mean of its divisors is an integer number (13789757751).

Almost surely, 2^55154345501 is an apocalyptic number.

It is an amenable number.

55154345501 is a deficient number, since it is larger than the sum of its proper divisors (4685503).

55154345501 is a wasteful number, since it uses less digits than its factorization.

55154345501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685502.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 55154345501 in words is "fifty-five billion, one hundred fifty-four million, three hundred forty-five thousand, five hundred one".