53947302 has 16 divisors (see below), whose sum is σ = 109664112. Its totient is φ = 17687520.

The previous prime is 53947301. The next prime is 53947321. The reversal of 53947302 is 20374935.

It is a happy number.

It is a super-2 number, since 2×53947302² = 5820622786158408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53947301) 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, 73333 + ... + 74064.

It is an arithmetic number, because the mean of its divisors is an integer number (6854007).

Almost surely, 2^53947302 is an apocalyptic number.

53947302 is an abundant number, since it is smaller than the sum of its proper divisors (55716810).

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

53947302 is a wasteful number, since it uses less digits than its factorization.

53947302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147463.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53947302 is about 7344.8827083896. The cubic root of 53947302 is about 377.8533206548.

The spelling of 53947302 in words is "fifty-three million, nine hundred forty-seven thousand, three hundred two".