52142880 has 48 divisors (see below), whose sum is σ = 164251584. Its totient is φ = 13904640.

The previous prime is 52142851. The next prime is 52142887. The reversal of 52142880 is 8824125.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (52142887) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 53836 + ... + 54795.

It is an arithmetic number, because the mean of its divisors is an integer number (3421908).

Almost surely, 2^52142880 is an apocalyptic number.

It is an amenable number.

52142880 is an abundant number, since it is smaller than the sum of its proper divisors (112108704).

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

52142880 is a wasteful number, since it uses less digits than its factorization.

52142880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108649 (or 108641 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 52142880 is about 7221.0027004565. The cubic root of 52142880 is about 373.5926627901.

The spelling of 52142880 in words is "fifty-two million, one hundred forty-two thousand, eight hundred eighty".