52947764 has 6 divisors (see below), whose sum is σ = 92658594. Its totient is φ = 26473880.

The previous prime is 52947761. The next prime is 52947767. The reversal of 52947764 is 46774925.

It is an interprime number because it is at equal distance from previous prime (52947761) and next prime (52947767).

It can be written as a sum of positive squares in only one way, i.e., 52852900 + 94864 = 7270^2 + 308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52947761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618467 + ... + 6618474.

It is an arithmetic number, because the mean of its divisors is an integer number (15443099).

Almost surely, 2^52947764 is an apocalyptic number.

It is an amenable number.

52947764 is a deficient number, since it is larger than the sum of its proper divisors (39710830).

52947764 is a wasteful number, since it uses less digits than its factorization.

52947764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236945 (or 13236943 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 52947764 is about 7276.5214216685. The cubic root of 52947764 is about 375.5051302400.

The spelling of 52947764 in words is "fifty-two million, nine hundred forty-seven thousand, seven hundred sixty-four".