552378238 has 4 divisors (see below), whose sum is σ = 828567360. Its totient is φ = 276189118.

The previous prime is 552378223. The next prime is 552378259. The reversal of 552378238 is 832873255.

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

It is a super-3 number, since 3×552378238³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552378194 and 552378203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138094558 + ... + 138094561.

It is an arithmetic number, because the mean of its divisors is an integer number (207141840).

Almost surely, 2^552378238 is an apocalyptic number.

552378238 is a deficient number, since it is larger than the sum of its proper divisors (276189122).

552378238 is a wasteful number, since it uses less digits than its factorization.

552378238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276189121.

The product of its digits is 403200, while the sum is 43.

The square root of 552378238 is about 23502.7283097091. The cubic root of 552378238 is about 820.5005064585.

The spelling of 552378238 in words is "five hundred fifty-two million, three hundred seventy-eight thousand, two hundred thirty-eight".