552381655 has 24 divisors (see below), whose sum is σ = 789026832. Its totient is φ = 369960192.

The previous prime is 552381637. The next prime is 552381673. The reversal of 552381655 is 556183255.

It is an interprime number because it is at equal distance from previous prime (552381637) and next prime (552381673).

It is not a de Polignac number, because 552381655 - 2¹⁷ = 552250583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15682 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (32876118).

Almost surely, 2^552381655 is an apocalyptic number.

552381655 is a deficient number, since it is larger than the sum of its proper divisors (236645177).

552381655 is a wasteful number, since it uses less digits than its factorization.

552381655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52495 (or 52488 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The square root of 552381655 is about 23502.8010032847. The cubic root of 552381655 is about 820.5021983212.

It can be divided in two parts, 5523 and 81655, that added together give a palindrome (87178).

The spelling of 552381655 in words is "five hundred fifty-two million, three hundred eighty-one thousand, six hundred fifty-five".