55434401400 has 96 divisors (see below), whose sum is σ = 196396179840. Its totient is φ = 12670719360.

The previous prime is 55434401389. The next prime is 55434401401. The reversal of 55434401400 is 410443455.

55434401400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434401401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6595134 + ... + 6603533.

It is an arithmetic number, because the mean of its divisors is an integer number (2045793540).

Almost surely, 2^55434401400 is an apocalyptic number.

55434401400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55434401400 is an abundant number, since it is smaller than the sum of its proper divisors (140961778440).

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

55434401400 is a wasteful number, since it uses less digits than its factorization.

55434401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198693 (or 13198684 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 55434401400 its reverse (410443455), we get a palindrome (55844844855).

The spelling of 55434401400 in words is "fifty-five billion, four hundred thirty-four million, four hundred one thousand, four hundred".