53971628530 has 8 divisors (see below), whose sum is σ = 97148931372. Its totient is φ = 21588651408.

The previous prime is 53971628471. The next prime is 53971628539. The reversal of 53971628530 is 3582617935.

It can be written as a sum of positive squares in 2 ways, for example, as 53669598889 + 302029641 = 231667^2 + 17379^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53971628539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698581417 + ... + 2698581436.

Almost surely, 2^53971628530 is an apocalyptic number.

53971628530 is a deficient number, since it is larger than the sum of its proper divisors (43177302842).

53971628530 is a wasteful number, since it uses less digits than its factorization.

53971628530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397162860.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 53971628530 in words is "fifty-three billion, nine hundred seventy-one million, six hundred twenty-eight thousand, five hundred thirty".