53394477534 has 32 divisors (see below), whose sum is σ = 118674612000. Its totient is φ = 17795126592.

The previous prime is 53394477533. The next prime is 53394477547. The reversal of 53394477534 is 43577449335.

53394477534 is a `hidden beast` number, since 5 + 3 + 39 + 4 + 4 + 77 + 534 = 666.

It is a super-3 number, since 3×53394477534³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53394477533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247612 + ... + 410000.

It is an arithmetic number, because the mean of its divisors is an integer number (3708581625).

Almost surely, 2^53394477534 is an apocalyptic number.

53394477534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53394477534 is an abundant number, since it is smaller than the sum of its proper divisors (65280134466).

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

53394477534 is a wasteful number, since it uses less digits than its factorization.

53394477534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168489 (or 168483 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 54.

The spelling of 53394477534 in words is "fifty-three billion, three hundred ninety-four million, four hundred seventy-seven thousand, five hundred thirty-four".