53144121400 has 48 divisors (see below), whose sum is σ = 126433593000. Its totient is φ = 20763281280.

The previous prime is 53144121397. The next prime is 53144121421. The reversal of 53144121400 is 412144135.

53144121400 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 (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3081175 + ... + 3098374.

Almost surely, 2^53144121400 is an apocalyptic number.

53144121400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53144121400 is an abundant number, since it is smaller than the sum of its proper divisors (73289471600).

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

53144121400 is a wasteful number, since it uses less digits than its factorization.

53144121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179608 (or 6179599 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 53144121400 its reverse (412144135), we get a palindrome (53556265535).

The spelling of 53144121400 in words is "fifty-three billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred".