53643967970 has 32 divisors (see below), whose sum is σ = 97317317376. Its totient is φ = 21289276800.

The previous prime is 53643967939. The next prime is 53643967999. The reversal of 53643967970 is 7976934635.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745335 + ... + 2764805.

It is an arithmetic number, because the mean of its divisors is an integer number (3041166168).

Almost surely, 2^53643967970 is an apocalyptic number.

53643967970 is a deficient number, since it is larger than the sum of its proper divisors (43673349406).

53643967970 is a wasteful number, since it uses less digits than its factorization.

53643967970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21626.

The product of its (nonzero) digits is 25719120, while the sum is 59.

The spelling of 53643967970 in words is "fifty-three billion, six hundred forty-three million, nine hundred sixty-seven thousand, nine hundred seventy".