55052021365 has 8 divisors (see below), whose sum is σ = 72068100768. Its totient is φ = 40037833680.

The previous prime is 55052021357. The next prime is 55052021369. The reversal of 55052021365 is 56312025055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55052021365 - 2³ = 55052021357 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 55052021365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55052021369) 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, 500472867 + ... + 500472976.

It is an arithmetic number, because the mean of its divisors is an integer number (9008512596).

Almost surely, 2^55052021365 is an apocalyptic number.

55052021365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55052021365 is a deficient number, since it is larger than the sum of its proper divisors (17016079403).

55052021365 is a wasteful number, since it uses less digits than its factorization.

55052021365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000945859.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 55052021365 in words is "fifty-five billion, fifty-two million, twenty-one thousand, three hundred sixty-five".