53893351506 has 16 divisors (see below), whose sum is σ = 108270054144. Its totient is φ = 17883891984.

The previous prime is 53893351433. The next prime is 53893351537. The reversal of 53893351506 is 60515339835.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20138181 + ... + 20140856.

It is an arithmetic number, because the mean of its divisors is an integer number (6766878384).

Almost surely, 2^53893351506 is an apocalyptic number.

53893351506 is an abundant number, since it is smaller than the sum of its proper divisors (54376702638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53893351506 is a wasteful number, since it uses less digits than its factorization.

53893351506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40279265.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 53893351506 in words is "fifty-three billion, eight hundred ninety-three million, three hundred fifty-one thousand, five hundred six".