55052143162400 has 72 divisors (see below), whose sum is σ = 135629035943940. Its totient is φ = 21818831016960.

The previous prime is 55052143162339. The next prime is 55052143162421. The reversal of 55052143162400 is 426134125055.

It can be written as a sum of positive squares in 6 ways, for example, as 11119797252496 + 43932345909904 = 3334636^2 + 6628148^2 .

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, 315578759 + ... + 315753158.

Almost surely, 2^{55052143162400} is an apocalyptic number.

55052143162400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55052143162400 is an abundant number, since it is smaller than the sum of its proper divisors (80576892781540).

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

55052143162400 is a wasteful number, since it uses less digits than its factorization.

55052143162400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631332046 (or 631332033 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 55052143162400 its reverse (426134125055), we get a palindrome (55478277287455).

The spelling of 55052143162400 in words is "fifty-five trillion, fifty-two billion, one hundred forty-three million, one hundred sixty-two thousand, four hundred".