55042400253412 has 48 divisors (see below), whose sum is σ = 113662616139072. Its totient is φ = 22992974513280.

The previous prime is 55042400253367. The next prime is 55042400253433. The reversal of 55042400253412 is 21435200424055.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211826043 + ... + 212085730.

It is an arithmetic number, because the mean of its divisors is an integer number (2367971169564).

Almost surely, 2^{55042400253412} is an apocalyptic number.

55042400253412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55042400253412 is an abundant number, since it is smaller than the sum of its proper divisors (58620215885660).

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

55042400253412 is a wasteful number, since it uses less digits than its factorization.

55042400253412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423912028 (or 423912026 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 55042400253412 its reverse (21435200424055), we get a palindrome (76477600677467).

The spelling of 55042400253412 in words is "fifty-five trillion, forty-two billion, four hundred million, two hundred fifty-three thousand, four hundred twelve".