53000146 has 4 divisors (see below), whose sum is σ = 79500222. Its totient is φ = 26500072.

The previous prime is 53000141. The next prime is 53000153. The reversal of 53000146 is 64100035.

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

It can be written as a sum of positive squares in only one way, i.e., 27447121 + 25553025 = 5239^2 + 5055^2 .

It is not an unprimeable number, because it can be changed into a prime (53000141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250035 + ... + 13250038.

Almost surely, 2^53000146 is an apocalyptic number.

53000146 is a deficient number, since it is larger than the sum of its proper divisors (26500076).

53000146 is a wasteful number, since it uses less digits than its factorization.

53000146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500075.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53000146 is about 7280.1199165948. The cubic root of 53000146 is about 375.6289203386.

The spelling of 53000146 in words is "fifty-three million, one hundred forty-six", and thus it is an aban number.