53450756 has 12 divisors (see below), whose sum is σ = 93750300. Its totient is φ = 26664960.

The previous prime is 53450753. The next prime is 53450759. The reversal of 53450756 is 65705435.

It is an interprime number because it is at equal distance from previous prime (53450753) and next prime (53450759).

It can be written as a sum of positive squares in 2 ways, for example, as 19624900 + 33825856 = 4430^2 + 5816^2 .

It is not an unprimeable number, because it can be changed into a prime (53450753) 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 3 ways as a sum of consecutive naturals, for example, 13085 + ... + 16676.

It is an arithmetic number, because the mean of its divisors is an integer number (7812525).

Almost surely, 2^53450756 is an apocalyptic number.

It is an amenable number.

53450756 is a deficient number, since it is larger than the sum of its proper divisors (40299544).

53450756 is a wasteful number, since it uses less digits than its factorization.

53450756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30214 (or 30212 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 53450756 is about 7311.0023936530. The cubic root of 53450756 is about 376.6904564642.

Subtracting from 53450756 its sum of digits (35), we obtain a square (53450721 = 7311²).

The spelling of 53450756 in words is "fifty-three million, four hundred fifty thousand, seven hundred fifty-six".