52978712 has 8 divisors (see below), whose sum is σ = 99335100. Its totient is φ = 26489352.

The previous prime is 52978711. The next prime is 52978727. The reversal of 52978712 is 21787925.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 52978712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52978711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311162 + ... + 3311177.

Almost surely, 2^52978712 is an apocalyptic number.

It is an amenable number.

52978712 is a deficient number, since it is larger than the sum of its proper divisors (46356388).

52978712 is a wasteful number, since it uses less digits than its factorization.

52978712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622345 (or 6622341 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 52978712 is about 7278.6476765949. The cubic root of 52978712 is about 375.5782769821.

The spelling of 52978712 in words is "fifty-two million, nine hundred seventy-eight thousand, seven hundred twelve".