55853553012 has 96 divisors (see below), whose sum is σ = 132563042304. Its totient is φ = 18301852800.

The previous prime is 55853553011. The next prime is 55853553013. The reversal of 55853553012 is 21035535855.

It is an interprime number because it is at equal distance from previous prime (55853553011) and next prime (55853553013).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55853553011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132668562 + ... + 132668982.

It is an arithmetic number, because the mean of its divisors is an integer number (1380865024).

Almost surely, 2^55853553012 is an apocalyptic number.

It is an amenable number.

55853553012 is an abundant number, since it is smaller than the sum of its proper divisors (76709489292).

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

55853553012 is a wasteful number, since it uses less digits than its factorization.

55853553012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 55853553012 in words is "fifty-five billion, eight hundred fifty-three million, five hundred fifty-three thousand, twelve".