53453146 has 4 divisors (see below), whose sum is σ = 80179722. Its totient is φ = 26726572.

The previous prime is 53453143. The next prime is 53453149. The reversal of 53453146 is 64135435.

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

It is an interprime number because it is at equal distance from previous prime (53453143) and next prime (53453149).

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 731025 = 7261^2 + 855^2 .

It is not an unprimeable number, because it can be changed into a prime (53453143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13363285 + ... + 13363288.

Almost surely, 2^53453146 is an apocalyptic number.

53453146 is a deficient number, since it is larger than the sum of its proper divisors (26726576).

53453146 is a wasteful number, since it uses less digits than its factorization.

53453146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726575.

The product of its digits is 21600, while the sum is 31.

The square root of 53453146 is about 7311.1658441045. The cubic root of 53453146 is about 376.6960708330.

The spelling of 53453146 in words is "fifty-three million, four hundred fifty-three thousand, one hundred forty-six".