55642504601 has 4 divisors (see below), whose sum is σ = 55669400100. Its totient is φ = 55615609104.

The previous prime is 55642504597. The next prime is 55642504607. The reversal of 55642504601 is 10640524655.

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 5553826576 + 50088678025 = 74524^2 + 223805^2 .

It is a cyclic number.

It is not a de Polignac number, because 55642504601 - 2² = 55642504597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55642504607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13444646 + ... + 13448783.

It is an arithmetic number, because the mean of its divisors is an integer number (13917350025).

Almost surely, 2^55642504601 is an apocalyptic number.

It is an amenable number.

55642504601 is a deficient number, since it is larger than the sum of its proper divisors (26895499).

55642504601 is a wasteful number, since it uses less digits than its factorization.

55642504601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26895498.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 55642504601 in words is "fifty-five billion, six hundred forty-two million, five hundred four thousand, six hundred one".