545621707055464 has 32 divisors (see below), whose sum is σ = 1118179962234720. Its totient is φ = 248066815144896.

The previous prime is 545621707055423. The next prime is 545621707055473. The reversal of 545621707055464 is 464550707126545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39151952494 + ... + 39151966429.

It is an arithmetic number, because the mean of its divisors is an integer number (34943123819835).

Almost surely, 2^{545621707055464} is an apocalyptic number.

It is an amenable number.

545621707055464 is an abundant number, since it is smaller than the sum of its proper divisors (572558255179256).

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

545621707055464 is a wasteful number, since it uses less digits than its factorization.

545621707055464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78303919009 (or 78303919005 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 61.

The spelling of 545621707055464 in words is "five hundred forty-five trillion, six hundred twenty-one billion, seven hundred seven million, fifty-five thousand, four hundred sixty-four".