53739456 has 56 divisors (see below), whose sum is σ = 144895824. Its totient is φ = 17571840.

The previous prime is 53739437. The next prime is 53739481. The reversal of 53739456 is 65493735.

It is a zygodrome in base 2.

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, 7536 + ... + 12816.

Almost surely, 2^53739456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53739456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72447912).

53739456 is an abundant number, since it is smaller than the sum of its proper divisors (91156368).

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

53739456 is a wasteful number, since it uses less digits than its factorization.

53739456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349 (or 5339 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 53739456 is about 7330.7200192068. The cubic root of 53739456 is about 377.3674367519.

It can be divided in two parts, 537 and 39456, that added together give a palindrome (39993).

The spelling of 53739456 in words is "fifty-three million, seven hundred thirty-nine thousand, four hundred fifty-six".