52471784 has 8 divisors (see below), whose sum is σ = 98384610. Its totient is φ = 26235888.

The previous prime is 52471781. The next prime is 52471807. The reversal of 52471784 is 48717425.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 18576100 = 5822^2 + 4310^2 .

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

It is a super-2 number, since 2×52471784² = 5506576232285312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52471781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279479 + ... + 3279494.

Almost surely, 2^52471784 is an apocalyptic number.

It is an amenable number.

52471784 is a deficient number, since it is larger than the sum of its proper divisors (45912826).

52471784 is a wasteful number, since it uses less digits than its factorization.

52471784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558979 (or 6558975 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 52471784 is about 7243.7410224276. The cubic root of 52471784 is about 374.3765260625.

The spelling of 52471784 in words is "fifty-two million, four hundred seventy-one thousand, seven hundred eighty-four".