553520018387 has 8 divisors (see below), whose sum is σ = 641504086272. Its totient is φ = 467763395400.

The previous prime is 553520018371. The next prime is 553520018399. The reversal of 553520018387 is 783810025355.

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

It is not a de Polignac number, because 553520018387 - 2⁴ = 553520018371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553520018327) 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, 556860689 + ... + 556861682.

It is an arithmetic number, because the mean of its divisors is an integer number (80188010784).

Almost surely, 2^553520018387 is an apocalyptic number.

553520018387 is a deficient number, since it is larger than the sum of its proper divisors (87984067885).

553520018387 is a wasteful number, since it uses less digits than its factorization.

553520018387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113722449.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 553520018387 in words is "five hundred fifty-three billion, five hundred twenty million, eighteen thousand, three hundred eighty-seven".