52551530 has 16 divisors (see below), whose sum is σ = 99571680. Its totient is φ = 19914192.

The previous prime is 52551529. The next prime is 52551553. The reversal of 52551530 is 3515525.

It is a self number, because there is not a number n which added to its sum of digits gives 52551530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138104 + ... + 138483.

It is an arithmetic number, because the mean of its divisors is an integer number (6223230).

Almost surely, 2^52551530 is an apocalyptic number.

52551530 is a deficient number, since it is larger than the sum of its proper divisors (47020150).

52551530 is a wasteful number, since it uses less digits than its factorization.

52551530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276613.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 52551530 is about 7249.2434087979. The cubic root of 52551530 is about 374.5660877437.

The spelling of 52551530 in words is "fifty-two million, five hundred fifty-one thousand, five hundred thirty".