52142208 has 32 divisors (see below), whose sum is σ = 138503760. Its totient is φ = 17380608.

The previous prime is 52142197. The next prime is 52142239. The reversal of 52142208 is 80224125.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 67510 + ... + 68277.

Almost surely, 2^52142208 is an apocalyptic number.

It is an amenable number.

52142208 is an abundant number, since it is smaller than the sum of its proper divisors (86361552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52142208 is a wasteful number, since it uses less digits than its factorization.

52142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135804 (or 135792 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 52142208 is about 7220.9561693726. The cubic root of 52142208 is about 373.5910578708.

The spelling of 52142208 in words is "fifty-two million, one hundred forty-two thousand, two hundred eight".