53423975 has 12 divisors (see below), whose sum is σ = 72268440. Its totient is φ = 38853600.

The previous prime is 53423971. The next prime is 53423977. The reversal of 53423975 is 57932435.

It is not a de Polignac number, because 53423975 - 2² = 53423971 is a prime.

It is a super-2 number, since 2×53423975² = 5708242209601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53423971) by changing a digit.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96860 + ... + 97409.

It is an arithmetic number, because the mean of its divisors is an integer number (6022370).

Almost surely, 2^53423975 is an apocalyptic number.

53423975 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53423975 is a deficient number, since it is larger than the sum of its proper divisors (18844465).

53423975 is a wasteful number, since it uses less digits than its factorization.

53423975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194290 (or 194285 counting only the distinct ones).

The product of its digits is 113400, while the sum is 38.

The square root of 53423975 is about 7309.1706095836. The cubic root of 53423975 is about 376.6275335473.

The spelling of 53423975 in words is "fifty-three million, four hundred twenty-three thousand, nine hundred seventy-five".