52021975 has 12 divisors (see below), whose sum is σ = 67312656. Its totient is φ = 39807680.

The previous prime is 52021967. The next prime is 52021979. The reversal of 52021975 is 57912025.

It is not a de Polignac number, because 52021975 - 2³ = 52021967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44662 + ... + 45811.

It is an arithmetic number, because the mean of its divisors is an integer number (5609388).

Almost surely, 2^52021975 is an apocalyptic number.

52021975 is a deficient number, since it is larger than the sum of its proper divisors (15290681).

52021975 is a wasteful number, since it uses less digits than its factorization.

52021975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90506 (or 90501 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 52021975 is about 7212.6260820869. The cubic root of 52021975 is about 373.3036864390.

The spelling of 52021975 in words is "fifty-two million, twenty-one thousand, nine hundred seventy-five".