555020087 has 8 divisors (see below), whose sum is σ = 562267440. Its totient is φ = 547786240.

The previous prime is 555020069. The next prime is 555020093. The reversal of 555020087 is 780020555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555020087 - 2⁶ = 555020023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555020047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99287 + ... + 104727.

It is an arithmetic number, because the mean of its divisors is an integer number (70283430).

Almost surely, 2^555020087 is an apocalyptic number.

555020087 is a deficient number, since it is larger than the sum of its proper divisors (7247353).

555020087 is a wasteful number, since it uses less digits than its factorization.

555020087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 555020087 is about 23558.8642977543. The cubic root of 555020087 is about 821.8064907392.

The spelling of 555020087 in words is "five hundred fifty-five million, twenty thousand, eighty-seven".