53661146 has 64 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 19388160.

The previous prime is 53661143. The next prime is 53661173. The reversal of 53661146 is 64116635.

It is not an unprimeable number, because it can be changed into a prime (53661143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269555 + ... + 269753.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^53661146 is an apocalyptic number.

53661146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

53661146 is a wasteful number, since it uses less digits than its factorization.

53661146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 12960, while the sum is 32.

The square root of 53661146 is about 7325.3768503743. The cubic root of 53661146 is about 377.1840456759.

The spelling of 53661146 in words is "fifty-three million, six hundred sixty-one thousand, one hundred forty-six".