553804871 has 4 divisors (see below), whose sum is σ = 555120744. Its totient is φ = 552489000.

The previous prime is 553804859. The next prime is 553804877. The reversal of 553804871 is 178408355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553804871 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 (553804877) 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, 657305 + ... + 658146.

It is an arithmetic number, because the mean of its divisors is an integer number (138780186).

Almost surely, 2^553804871 is an apocalyptic number.

553804871 is a deficient number, since it is larger than the sum of its proper divisors (1315873).

553804871 is a wasteful number, since it uses less digits than its factorization.

553804871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315872.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 553804871 is about 23533.0591084117. The cubic root of 553804871 is about 821.2062709322.

It can be divided in two parts, 553804 and 871, that multiplied together give a palindrome (482363284).

The spelling of 553804871 in words is "five hundred fifty-three million, eight hundred four thousand, eight hundred seventy-one".