53401312 has 12 divisors (see below), whose sum is σ = 105133896. Its totient is φ = 26700640.

The previous prime is 53401253. The next prime is 53401319. The reversal of 53401312 is 21310435.

It is a self number, because there is not a number n which added to its sum of digits gives 53401312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53401319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834364 + ... + 834427.

It is an arithmetic number, because the mean of its divisors is an integer number (8761158).

Almost surely, 2^53401312 is an apocalyptic number.

It is an amenable number.

53401312 is a deficient number, since it is larger than the sum of its proper divisors (51732584).

53401312 is a wasteful number, since it uses less digits than its factorization.

53401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668801 (or 1668793 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53401312 is about 7307.6201324371. The cubic root of 53401312 is about 376.5742695896.

Adding to 53401312 its reverse (21310435), we get a palindrome (74711747).

The spelling of 53401312 in words is "fifty-three million, four hundred one thousand, three hundred twelve".