52987730 has 16 divisors (see below), whose sum is σ = 95860800. Its totient is φ = 21087792.

The previous prime is 52987721. The next prime is 52987733. The reversal of 52987730 is 3778925.

It is not an unprimeable number, because it can be changed into a prime (52987733) 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, 11324 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (5991300).

Almost surely, 2^52987730 is an apocalyptic number.

52987730 is a deficient number, since it is larger than the sum of its proper divisors (42873070).

52987730 is a wasteful number, since it uses less digits than its factorization.

52987730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 52987730 is about 7279.2671334414. The cubic root of 52987730 is about 375.5995859986.

The spelling of 52987730 in words is "fifty-two million, nine hundred eighty-seven thousand, seven hundred thirty".