53105404 has 12 divisors (see below), whose sum is σ = 101383128. Its totient is φ = 24138800.

The previous prime is 53105389. The next prime is 53105411. The reversal of 53105404 is 40450135.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603427 + ... + 603514.

It is an arithmetic number, because the mean of its divisors is an integer number (8448594).

Almost surely, 2^53105404 is an apocalyptic number.

It is an amenable number.

53105404 is a deficient number, since it is larger than the sum of its proper divisors (48277724).

53105404 is a wasteful number, since it uses less digits than its factorization.

53105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206956 (or 1206954 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53105404 is about 7287.3454700597. The cubic root of 53105404 is about 375.8774215640.

Adding to 53105404 its reverse (40450135), we get a palindrome (93555539).

The spelling of 53105404 in words is "fifty-three million, one hundred five thousand, four hundred four".