53478302 has 4 divisors (see below), whose sum is σ = 80217456. Its totient is φ = 26739150.

The previous prime is 53478301. The next prime is 53478307. The reversal of 53478302 is 20387435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53478301) 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 as a sum of consecutive naturals, namely, 13369574 + ... + 13369577.

It is an arithmetic number, because the mean of its divisors is an integer number (20054364).

Almost surely, 2^53478302 is an apocalyptic number.

53478302 is a deficient number, since it is larger than the sum of its proper divisors (26739154).

53478302 is a wasteful number, since it uses less digits than its factorization.

53478302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26739153.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53478302 is about 7312.8860239990. The cubic root of 53478302 is about 376.7551548527.

The spelling of 53478302 in words is "fifty-three million, four hundred seventy-eight thousand, three hundred two".