55020101146 has 8 divisors (see below), whose sum is σ = 87384866580. Its totient is φ = 25891812288.

The previous prime is 55020101069. The next prime is 55020101173. The reversal of 55020101146 is 64110102055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52338000625 + 2682100521 = 228775^2 + 51789^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 55020101146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809119101 + ... + 809119168.

Almost surely, 2^55020101146 is an apocalyptic number.

55020101146 is a deficient number, since it is larger than the sum of its proper divisors (32364765434).

55020101146 is a wasteful number, since it uses less digits than its factorization.

55020101146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618238288.

The product of its (nonzero) digits is 1200, while the sum is 25.

Subtracting 55020101146 from its reverse (64110102055), we obtain a palindrome (9090000909).

The spelling of 55020101146 in words is "fifty-five billion, twenty million, one hundred one thousand, one hundred forty-six".