553855747 has 4 divisors (see below), whose sum is σ = 553946536. Its totient is φ = 553764960.

The previous prime is 553855727. The next prime is 553855787. The reversal of 553855747 is 747558355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 553855747 - 2²⁷ = 419638019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553855747.

It is not an unprimeable number, because it can be changed into a prime (553855727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35529 + ... + 48682.

It is an arithmetic number, because the mean of its divisors is an integer number (138486634).

Almost surely, 2^553855747 is an apocalyptic number.

553855747 is a deficient number, since it is larger than the sum of its proper divisors (90789).

553855747 is an equidigital number, since it uses as much as digits as its factorization.

553855747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90788.

The product of its digits is 2940000, while the sum is 49.

The square root of 553855747 is about 23534.1400310273. The cubic root of 553855747 is about 821.2314172206.

The spelling of 553855747 in words is "five hundred fifty-three million, eight hundred fifty-five thousand, seven hundred forty-seven".