53006535945 has 64 divisors (see below), whose sum is σ = 103650497280. Its totient is φ = 25700051520.

The previous prime is 53006535919. The next prime is 53006535983. The reversal of 53006535945 is 54953560035.

53006535945 is a `hidden beast` number, since 5 + 3 + 0 + 0 + 6 + 53 + 594 + 5 = 666.

It is not a de Polignac number, because 53006535945 - 2¹¹ = 53006533897 is a prime.

It is a super-3 number, since 3×53006535945³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53006535945.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 32187 + ... + 327183.

It is an arithmetic number, because the mean of its divisors is an integer number (1619539020).

Almost surely, 2^53006535945 is an apocalyptic number.

53006535945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53006535945 is a deficient number, since it is larger than the sum of its proper divisors (50643961335).

53006535945 is a wasteful number, since it uses less digits than its factorization.

53006535945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295044 (or 295016 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 53006535945 in words is "fifty-three billion, six million, five hundred thirty-five thousand, nine hundred forty-five".