552148774 has 4 divisors (see below), whose sum is σ = 828223164. Its totient is φ = 276074386.

The previous prime is 552148769. The next prime is 552148789. The reversal of 552148774 is 477841255.

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

It is a self number, because there is not a number n which added to its sum of digits gives 552148774.

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, 138037192 + ... + 138037195.

It is an arithmetic number, because the mean of its divisors is an integer number (207055791).

Almost surely, 2^552148774 is an apocalyptic number.

552148774 is a deficient number, since it is larger than the sum of its proper divisors (276074390).

552148774 is a wasteful number, since it uses less digits than its factorization.

552148774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276074389.

The product of its digits is 313600, while the sum is 43.

The square root of 552148774 is about 23497.8461566161. The cubic root of 552148774 is about 820.3868757421.

The spelling of 552148774 in words is "five hundred fifty-two million, one hundred forty-eight thousand, seven hundred seventy-four".