53090146 has 4 divisors (see below), whose sum is σ = 79635222. Its totient is φ = 26545072.

The previous prime is 53090117. The next prime is 53090159. The reversal of 53090146 is 64109035.

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., 44156025 + 8934121 = 6645^2 + 2989^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13272535 + ... + 13272538.

Almost surely, 2^53090146 is an apocalyptic number.

53090146 is a deficient number, since it is larger than the sum of its proper divisors (26545076).

53090146 is a wasteful number, since it uses less digits than its factorization.

53090146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26545075.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 53090146 is about 7286.2985115901. The cubic root of 53090146 is about 375.8414196595.

The spelling of 53090146 in words is "fifty-three million, ninety thousand, one hundred forty-six".