53277056 has 64 divisors (see below), whose sum is σ = 122750880. Its totient is φ = 22560768.

The previous prime is 53277053. The next prime is 53277061. The reversal of 53277056 is 65077235.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53277053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86606 + ... + 87218.

Almost surely, 2^53277056 is an apocalyptic number.

53277056 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 53277056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61375440).

53277056 is an abundant number, since it is smaller than the sum of its proper divisors (69473824).

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

53277056 is an equidigital number, since it uses as much as digits as its factorization.

53277056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 53277056 is about 7299.1133708143. The cubic root of 53277056 is about 376.2819674608.

The spelling of 53277056 in words is "fifty-three million, two hundred seventy-seven thousand, fifty-six".