53147389845 has 32 divisors (see below), whose sum is σ = 92879581824. Its totient is φ = 25736979200.

The previous prime is 53147389831. The next prime is 53147389853. The reversal of 53147389845 is 54898374135.

It is not a de Polignac number, because 53147389845 - 2¹² = 53147385749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60702 + ... + 331631.

It is an arithmetic number, because the mean of its divisors is an integer number (2902486932).

Almost surely, 2^53147389845 is an apocalyptic number.

53147389845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53147389845 is a deficient number, since it is larger than the sum of its proper divisors (39732191979).

53147389845 is a wasteful number, since it uses less digits than its factorization.

53147389845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393173.

The product of its digits is 14515200, while the sum is 57.

The spelling of 53147389845 in words is "fifty-three billion, one hundred forty-seven million, three hundred eighty-nine thousand, eight hundred forty-five".