52120904354 has 4 divisors (see below), whose sum is σ = 78181356534. Its totient is φ = 26060452176.

The previous prime is 52120904351. The next prime is 52120904359. The reversal of 52120904354 is 45340902125.

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., 26285164129 + 25835740225 = 162127^2 + 160735^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52120904351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13030226087 + ... + 13030226090.

Almost surely, 2^52120904354 is an apocalyptic number.

52120904354 is a deficient number, since it is larger than the sum of its proper divisors (26060452180).

52120904354 is a wasteful number, since it uses less digits than its factorization.

52120904354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26060452179.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 52120904354 in words is "fifty-two billion, one hundred twenty million, nine hundred four thousand, three hundred fifty-four".