555042553 has 16 divisors (see below), whose sum is σ = 614491920. Its totient is φ = 498161664.

The previous prime is 555042533. The next prime is 555042557. The reversal of 555042553 is 355240555.

It can be written as a sum of positive squares in 8 ways, for example, as 61669609 + 493372944 = 7853^2 + 22212^2 .

It is not a de Polignac number, because 555042553 - 2¹⁷ = 554911481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555042557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74293 + ... + 81421.

It is an arithmetic number, because the mean of its divisors is an integer number (38405745).

Almost surely, 2^555042553 is an apocalyptic number.

555042553 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

555042553 is a deficient number, since it is larger than the sum of its proper divisors (59449367).

555042553 is a wasteful number, since it uses less digits than its factorization.

555042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 75000, while the sum is 34.

The square root of 555042553 is about 23559.3410985961. The cubic root of 555042553 is about 821.8175788997.

The spelling of 555042553 in words is "five hundred fifty-five million, forty-two thousand, five hundred fifty-three".