55506257061 has 8 divisors (see below), whose sum is σ = 74184136224. Its totient is φ = 36916274640.

The previous prime is 55506257039. The next prime is 55506257063. The reversal of 55506257061 is 16075260555.

It is a happy number.

55506257061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55506257061 - 2⁷ = 55506256933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55506257063) 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, 21972711 + ... + 21975236.

It is an arithmetic number, because the mean of its divisors is an integer number (9273017028).

Almost surely, 2^55506257061 is an apocalyptic number.

It is an amenable number.

55506257061 is a deficient number, since it is larger than the sum of its proper divisors (18677879163).

55506257061 is a wasteful number, since it uses less digits than its factorization.

55506257061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43948371.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 55506257061 in words is "fifty-five billion, five hundred six million, two hundred fifty-seven thousand, sixty-one".