543421375655025 has 1152 divisors, whose sum is σ = 1221095259901440. Its totient is φ = 211099779072000.

The previous prime is 543421375655023. The next prime is 543421375655047. The reversal of 543421375655025 is 520556573124345.

It is not a de Polignac number, because 543421375655025 - 2¹ = 543421375655023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (543421375655023) by changing a digit.

It is a polite number, since it can be written in 1151 ways as a sum of consecutive naturals, for example, 1178788233295 + ... + 1178788233755.

It is an arithmetic number, because the mean of its divisors is an integer number (1059978524220).

Almost surely, 2^{543421375655025} is an apocalyptic number.

It is an amenable number.

543421375655025 is an abundant number, since it is smaller than the sum of its proper divisors (677673884246415).

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

543421375655025 is a wasteful number, since it uses less digits than its factorization.

543421375655025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 75600000, while the sum is 57.

The spelling of 543421375655025 in words is "five hundred forty-three trillion, four hundred twenty-one billion, three hundred seventy-five million, six hundred fifty-five thousand, twenty-five".