552214381 has 4 divisors (see below), whose sum is σ = 567139132. Its totient is φ = 537289632.

The previous prime is 552214343. The next prime is 552214409. The reversal of 552214381 is 183412255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 503284356 + 48930025 = 22434^2 + 6995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552214381 is a prime.

It is a super-2 number, since 2×552214381² = 609881445166426322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552214321) 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, 7462320 + ... + 7462393.

It is an arithmetic number, because the mean of its divisors is an integer number (141784783).

Almost surely, 2^552214381 is an apocalyptic number.

It is an amenable number.

552214381 is a deficient number, since it is larger than the sum of its proper divisors (14924751).

552214381 is a wasteful number, since it uses less digits than its factorization.

552214381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14924750.

The product of its digits is 9600, while the sum is 31.

The square root of 552214381 is about 23499.2421367158. The cubic root of 552214381 is about 820.4193675828.

The spelling of 552214381 in words is "five hundred fifty-two million, two hundred fourteen thousand, three hundred eighty-one".