55446602651 has 4 divisors (see below), whose sum is σ = 60487202904. Its totient is φ = 50406002400.

The previous prime is 55446602641. The next prime is 55446602669. The reversal of 55446602651 is 15620664455.

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

It is a cyclic number.

It is not a de Polignac number, because 55446602651 - 2²⁶ = 55379493787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55446602621) 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, 2520300110 + ... + 2520300131.

It is an arithmetic number, because the mean of its divisors is an integer number (15121800726).

Almost surely, 2^55446602651 is an apocalyptic number.

55446602651 is a deficient number, since it is larger than the sum of its proper divisors (5040600253).

55446602651 is a wasteful number, since it uses less digits than its factorization.

55446602651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040600252.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 55446602651 in words is "fifty-five billion, four hundred forty-six million, six hundred two thousand, six hundred fifty-one".