53502146 has 8 divisors (see below), whose sum is σ = 80764860. Its totient is φ = 26580528.

The previous prime is 53502139. The next prime is 53502149. The reversal of 53502146 is 64120535.

It can be written as a sum of positive squares in 2 ways, for example, as 51912025 + 1590121 = 7205^2 + 1261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53502149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84881 + ... + 85508.

Almost surely, 2^53502146 is an apocalyptic number.

53502146 is a deficient number, since it is larger than the sum of its proper divisors (27262714).

53502146 is a wasteful number, since it uses less digits than its factorization.

53502146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170548.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53502146 is about 7314.5161152328. The cubic root of 53502146 is about 376.8111402698.

The spelling of 53502146 in words is "fifty-three million, five hundred two thousand, one hundred forty-six".