53494056 has 96 divisors (see below), whose sum is σ = 180648000. Its totient is φ = 13893120.

The previous prime is 53494043. The next prime is 53494057. The reversal of 53494056 is 65049435.

It is a happy number.

It is a super-2 number, since 2×53494056² = 5723228054662272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53494056.

It is not an unprimeable number, because it can be changed into a prime (53494057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (1881750).

Almost surely, 2^53494056 is an apocalyptic number.

53494056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53494056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90324000).

53494056 is an abundant number, since it is smaller than the sum of its proper divisors (127153944).

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

53494056 is a wasteful number, since it uses less digits than its factorization.

53494056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 53494056 is about 7313.9630844023. The cubic root of 53494056 is about 376.7921469146.

The spelling of 53494056 in words is "fifty-three million, four hundred ninety-four thousand, fifty-six".