52142408 has 8 divisors (see below), whose sum is σ = 97767030. Its totient is φ = 26071200.

The previous prime is 52142353. The next prime is 52142413. The reversal of 52142408 is 80424125.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44863204 + 7279204 = 6698^2 + 2698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258893 + ... + 3258908.

Almost surely, 2^52142408 is an apocalyptic number.

It is an amenable number.

52142408 is a deficient number, since it is larger than the sum of its proper divisors (45624622).

52142408 is a wasteful number, since it uses less digits than its factorization.

52142408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517807 (or 6517803 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 52142408 is about 7220.9700179408. The cubic root of 52142408 is about 373.5915355268.

The spelling of 52142408 in words is "fifty-two million, one hundred forty-two thousand, four hundred eight".