53813436 has 24 divisors (see below), whose sum is σ = 126411600. Its totient is φ = 17816832.

The previous prime is 53813423. The next prime is 53813471. The reversal of 53813436 is 63431835.

It is a junction number, because it is equal to n+sod(n) for n = 53813397 and 53813406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13261 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (5267150).

Almost surely, 2^53813436 is an apocalyptic number.

It is an amenable number.

53813436 is an abundant number, since it is smaller than the sum of its proper divisors (72598164).

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

53813436 is a wasteful number, since it uses less digits than its factorization.

53813436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253 (or 30251 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 53813436 is about 7335.7641728725. The cubic root of 53813436 is about 377.5405239891.

The spelling of 53813436 in words is "fifty-three million, eight hundred thirteen thousand, four hundred thirty-six".