53400056 has 8 divisors (see below), whose sum is σ = 100125120. Its totient is φ = 26700024.

The previous prime is 53400001. The next prime is 53400059. The reversal of 53400056 is 65000435.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53400059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337496 + ... + 3337511.

It is an arithmetic number, because the mean of its divisors is an integer number (12515640).

Almost surely, 2^53400056 is an apocalyptic number.

It is an amenable number.

53400056 is a deficient number, since it is larger than the sum of its proper divisors (46725064).

53400056 is a wasteful number, since it uses less digits than its factorization.

53400056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675013 (or 6675009 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53400056 is about 7307.5341942409. The cubic root of 53400056 is about 376.5713172215.

The spelling of 53400056 in words is "fifty-three million, four hundred thousand, fifty-six".