52194554 has 4 divisors (see below), whose sum is σ = 78291834. Its totient is φ = 26097276.

The previous prime is 52194553. The next prime is 52194557. The reversal of 52194554 is 45549125.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 41152225 + 11042329 = 6415^2 + 3323^2 .

It is not an unprimeable number, because it can be changed into a prime (52194553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13048637 + ... + 13048640.

Almost surely, 2^52194554 is an apocalyptic number.

52194554 is a deficient number, since it is larger than the sum of its proper divisors (26097280).

52194554 is a wasteful number, since it uses less digits than its factorization.

52194554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26097279.

The product of its digits is 36000, while the sum is 35.

The square root of 52194554 is about 7224.5798493753. The cubic root of 52194554 is about 373.7160331245.

The spelling of 52194554 in words is "fifty-two million, one hundred ninety-four thousand, five hundred fifty-four".