52121404 has 12 divisors (see below), whose sum is σ = 95178384. Its totient is φ = 24927584.

The previous prime is 52121383. The next prime is 52121411. The reversal of 52121404 is 40412125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283177 + ... + 283360.

It is an arithmetic number, because the mean of its divisors is an integer number (7931532).

Almost surely, 2^52121404 is an apocalyptic number.

It is an amenable number.

52121404 is a deficient number, since it is larger than the sum of its proper divisors (43056980).

52121404 is a wasteful number, since it uses less digits than its factorization.

52121404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566564 (or 566562 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 52121404 is about 7219.5154962089. The cubic root of 52121404 is about 373.5413654204.

Adding to 52121404 its reverse (40412125), we get a palindrome (92533529).

It can be divided in two parts, 52121 and 404, that added together give a palindrome (52525).

The spelling of 52121404 in words is "fifty-two million, one hundred twenty-one thousand, four hundred four".