55064772623 has 8 divisors (see below), whose sum is σ = 62956053120. Its totient is φ = 47179713240.

The previous prime is 55064772619. The next prime is 55064772647. The reversal of 55064772623 is 32627746055.

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 55064772623 - 2² = 55064772619 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 (55064772683) 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, 1536293 + ... + 1571726.

It is an arithmetic number, because the mean of its divisors is an integer number (7869506640).

Almost surely, 2^55064772623 is an apocalyptic number.

55064772623 is a deficient number, since it is larger than the sum of its proper divisors (7891280497).

55064772623 is a wasteful number, since it uses less digits than its factorization.

55064772623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110557.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 55064772623 in words is "fifty-five billion, sixty-four million, seven hundred seventy-two thousand, six hundred twenty-three".