52657429784 has 16 divisors (see below), whose sum is σ = 99655417800. Its totient is φ = 26082651712.

The previous prime is 52657429757. The next prime is 52657429793. The reversal of 52657429784 is 48792475625.

It is a super-2 number, since 2×52657429784² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30756989 + ... + 30758700.

Almost surely, 2^52657429784 is an apocalyptic number.

It is an amenable number.

52657429784 is a deficient number, since it is larger than the sum of its proper divisors (46997988016).

52657429784 is a wasteful number, since it uses less digits than its factorization.

52657429784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61515802 (or 61515798 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

The spelling of 52657429784 in words is "fifty-two billion, six hundred fifty-seven million, four hundred twenty-nine thousand, seven hundred eighty-four".