55154020014 has 32 divisors (see below), whose sum is σ = 122857056000. Its totient is φ = 18340788312.

The previous prime is 55154020013. The next prime is 55154020037. The reversal of 55154020014 is 41002045155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 55154020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196194 + ... + 1241445.

It is an arithmetic number, because the mean of its divisors is an integer number (3839283000).

Almost surely, 2^55154020014 is an apocalyptic number.

55154020014 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55154020014 is an abundant number, since it is smaller than the sum of its proper divisors (67703035986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55154020014 is a wasteful number, since it uses less digits than its factorization.

55154020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438069 (or 2438063 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 55154020014 its reverse (41002045155), we get a palindrome (96156065169).

The spelling of 55154020014 in words is "fifty-five billion, one hundred fifty-four million, twenty thousand, fourteen".