55552331205373 has 4 divisors (see below), whose sum is σ = 55553233925728. Its totient is φ = 55551428485020.

The previous prime is 55552331205361. The next prime is 55552331205419. The reversal of 55552331205373 is 37350213325555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55552331205373 - 2¹⁷ = 55552331074301 is a prime.

It is a super-2 number, since 2×55552331205373² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552331205323) 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, 451267863 + ... + 451390948.

It is an arithmetic number, because the mean of its divisors is an integer number (13888308481432).

Almost surely, 2^{55552331205373} is an apocalyptic number.

It is an amenable number.

55552331205373 is a deficient number, since it is larger than the sum of its proper divisors (902720355).

55552331205373 is an equidigital number, since it uses as much as digits as its factorization.

55552331205373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902720354.

The product of its (nonzero) digits is 7087500, while the sum is 49.

The spelling of 55552331205373 in words is "fifty-five trillion, five hundred fifty-two billion, three hundred thirty-one million, two hundred five thousand, three hundred seventy-three".