555155040 has 96 divisors (see below), whose sum is σ = 1907732736. Its totient is φ = 134581760.

The previous prime is 555155021. The next prime is 555155063. The reversal of 555155040 is 40551555.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 555154989 and 555155007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47292 + ... + 57851.

It is an arithmetic number, because the mean of its divisors is an integer number (19872216).

Almost surely, 2^555155040 is an apocalyptic number.

It is an amenable number.

555155040 is an abundant number, since it is smaller than the sum of its proper divisors (1352577696).

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

555155040 is a wasteful number, since it uses less digits than its factorization.

555155040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105172 (or 105164 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 555155040 is about 23561.7282897499. The cubic root of 555155040 is about 821.8730926912.

The spelling of 555155040 in words is "five hundred fifty-five million, one hundred fifty-five thousand, forty".