53530146 has 20 divisors (see below), whose sum is σ = 119947542. Its totient is φ = 17843328.

The previous prime is 53530121. The next prime is 53530153. The reversal of 53530146 is 64103535.

It can be written as a sum of positive squares in only one way, i.e., 32046921 + 21483225 = 5661^2 + 4635^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 165055 + ... + 165378.

Almost surely, 2^53530146 is an apocalyptic number.

53530146 is an abundant number, since it is smaller than the sum of its proper divisors (66417396).

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

53530146 is a wasteful number, since it uses less digits than its factorization.

53530146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330447 (or 330438 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53530146 is about 7316.4298670868. The cubic root of 53530146 is about 376.8768626922.

The spelling of 53530146 in words is "fifty-three million, five hundred thirty thousand, one hundred forty-six".