53397557424 has 50 divisors (see below), whose sum is σ = 154548026820. Its totient is φ = 17799185376.

The previous prime is 53397557419. The next prime is 53397557431. The reversal of 53397557424 is 42475579335.

53397557424 is a `hidden beast` number, since 53 + 39 + 7 + 557 + 4 + 2 + 4 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20599614 + ... + 20602205.

Almost surely, 2^53397557424 is an apocalyptic number.

53397557424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53397557424 is an abundant number, since it is smaller than the sum of its proper divisors (101150469396).

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

53397557424 is a wasteful number, since it uses less digits than its factorization.

53397557424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201839 (or 41201824 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The spelling of 53397557424 in words is "fifty-three billion, three hundred ninety-seven million, five hundred fifty-seven thousand, four hundred twenty-four".