55316105292400 has 120 divisors (see below), whose sum is σ = 133165579337600. Its totient is φ = 22081745145600.

The previous prime is 55316105292391. The next prime is 55316105292407. The reversal of 55316105292400 is 429250161355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55316105292407) 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, 628612405 + ... + 628700395.

Almost surely, 2^{55316105292400} is an apocalyptic number.

55316105292400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55316105292400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66582789668800).

55316105292400 is an abundant number, since it is smaller than the sum of its proper divisors (77849474045200).

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

55316105292400 is a wasteful number, since it uses less digits than its factorization.

55316105292400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91167 (or 91156 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 55316105292400 in words is "fifty-five trillion, three hundred sixteen billion, one hundred five million, two hundred ninety-two thousand, four hundred".