55511554061 has 8 divisors (see below), whose sum is σ = 58804177464. Its totient is φ = 52221957120.

The previous prime is 55511554001. The next prime is 55511554099. The reversal of 55511554061 is 16045511555.

It can be written as a sum of positive squares in 4 ways, for example, as 4081932100 + 51429621961 = 63890^2 + 226781^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55511554061 - 2⁶ = 55511553997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511554001) 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 7 ways as a sum of consecutive naturals, for example, 718790 + ... + 792263.

It is an arithmetic number, because the mean of its divisors is an integer number (7350522183).

Almost surely, 2^55511554061 is an apocalyptic number.

It is an amenable number.

55511554061 is a deficient number, since it is larger than the sum of its proper divisors (3292623403).

55511554061 is a wasteful number, since it uses less digits than its factorization.

55511554061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513231.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 55511554061 in words is "fifty-five billion, five hundred eleven million, five hundred fifty-four thousand, sixty-one".