53492736 has 88 divisors (see below), whose sum is σ = 155637504. Its totient is φ = 16199680.

The previous prime is 53492729. The next prime is 53492737. The reversal of 53492736 is 63729435.

It is a tau number, because it is divible by the number of its divisors (88).

It is a super-2 number, since 2×53492736² = 5722945609531392, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 53492694 and 53492703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53492737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33001 + ... + 34583.

It is an arithmetic number, because the mean of its divisors is an integer number (1768608).

Almost surely, 2^53492736 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 53492736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77818752).

53492736 is an abundant number, since it is smaller than the sum of its proper divisors (102144768).

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

53492736 is a wasteful number, since it uses less digits than its factorization.

53492736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1599 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 53492736 is about 7313.8728454903. The cubic root of 53492736 is about 376.7890476935.

The spelling of 53492736 in words is "fifty-three million, four hundred ninety-two thousand, seven hundred thirty-six".