55552514623 has 4 divisors (see below), whose sum is σ = 56313508048. Its totient is φ = 54791521200.

The previous prime is 55552514551. The next prime is 55552514651. The reversal of 55552514623 is 32641525555.

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 55552514623 - 2²⁵ = 55518960191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55552514623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552514683) 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, 380496603 + ... + 380496748.

It is an arithmetic number, because the mean of its divisors is an integer number (14078377012).

Almost surely, 2^55552514623 is an apocalyptic number.

55552514623 is a deficient number, since it is larger than the sum of its proper divisors (760993425).

55552514623 is an equidigital number, since it uses as much as digits as its factorization.

55552514623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760993424.

The product of its digits is 900000, while the sum is 43.

The spelling of 55552514623 in words is "fifty-five billion, five hundred fifty-two million, five hundred fourteen thousand, six hundred twenty-three".