53146975 has 24 divisors (see below), whose sum is σ = 76245120. Its totient is φ = 35994720.

The previous prime is 53146963. The next prime is 53146987. The reversal of 53146975 is 57964135.

It is an interprime number because it is at equal distance from previous prime (53146963) and next prime (53146987).

It is not a de Polignac number, because 53146975 - 2⁵ = 53146943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12696 + ... + 16354.

It is an arithmetic number, because the mean of its divisors is an integer number (3176880).

Almost surely, 2^53146975 is an apocalyptic number.

53146975 is a deficient number, since it is larger than the sum of its proper divisors (23098145).

53146975 is a wasteful number, since it uses less digits than its factorization.

53146975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3754 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 53146975 is about 7290.1971852619. The cubic root of 53146975 is about 375.9754751433.

The spelling of 53146975 in words is "fifty-three million, one hundred forty-six thousand, nine hundred seventy-five".