53404342012400 has 60 divisors (see below), whose sum is σ = 128309063264304. Its totient is φ = 21360882432000.

The previous prime is 53404342012391. The next prime is 53404342012529. The reversal of 53404342012400 is 421024340435.

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, 7391045 + ... + 12705755.

Almost surely, 2^{53404342012400} is an apocalyptic number.

53404342012400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53404342012400 is an abundant number, since it is smaller than the sum of its proper divisors (74904721251904).

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

53404342012400 is a wasteful number, since it uses less digits than its factorization.

53404342012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339850 (or 5339839 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 53404342012400 its reverse (421024340435), we get a palindrome (53825366352835).

The spelling of 53404342012400 in words is "fifty-three trillion, four hundred four billion, three hundred forty-two million, twelve thousand, four hundred".