52180742 has 8 divisors (see below), whose sum is σ = 79554432. Its totient is φ = 25662600.

The previous prime is 52180729. The next prime is 52180753. The reversal of 52180742 is 24708125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 213734 + ... + 213977.

It is an arithmetic number, because the mean of its divisors is an integer number (9944304).

Almost surely, 2^52180742 is an apocalyptic number.

52180742 is a deficient number, since it is larger than the sum of its proper divisors (27373690).

52180742 is a wasteful number, since it uses less digits than its factorization.

52180742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427774.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 52180742 is about 7223.6238827890. The cubic root of 52180742 is about 373.6830653093.

Adding to 52180742 its reverse (24708125), we get a palindrome (76888867).

The spelling of 52180742 in words is "fifty-two million, one hundred eighty thousand, seven hundred forty-two".