555515325420 has 96 divisors (see below), whose sum is σ = 1697385666816. Its totient is φ = 134627616000.

The previous prime is 555515325373. The next prime is 555515325457. The reversal of 555515325420 is 24523515555.

555515325420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1971370 + ... + 2235470.

It is an arithmetic number, because the mean of its divisors is an integer number (17681100696).

Almost surely, 2^555515325420 is an apocalyptic number.

It is an amenable number.

555515325420 is an abundant number, since it is smaller than the sum of its proper divisors (1141870341396).

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

555515325420 is a wasteful number, since it uses less digits than its factorization.

555515325420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267311 (or 267309 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 555515325420 in words is "five hundred fifty-five billion, five hundred fifteen million, three hundred twenty-five thousand, four hundred twenty".