53631146 has 4 divisors (see below), whose sum is σ = 80446722. Its totient is φ = 26815572.

The previous prime is 53631131. The next prime is 53631187. The reversal of 53631146 is 64113635.

It is a happy number.

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., 48455521 + 5175625 = 6961^2 + 2275^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13407785 + ... + 13407788.

Almost surely, 2^53631146 is an apocalyptic number.

53631146 is a deficient number, since it is larger than the sum of its proper divisors (26815576).

53631146 is a wasteful number, since it uses less digits than its factorization.

53631146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26815575.

The product of its digits is 6480, while the sum is 29.

The square root of 53631146 is about 7323.3288878761. The cubic root of 53631146 is about 377.1137426009.

The spelling of 53631146 in words is "fifty-three million, six hundred thirty-one thousand, one hundred forty-six".