52241391 has 12 divisors (see below), whose sum is σ = 79898832. Its totient is φ = 32778816.

The previous prime is 52241377. The next prime is 52241401. The reversal of 52241391 is 19314225.

52241391 is a `hidden beast` number, since 522 + 4 + 139 + 1 = 666.

It is not a de Polignac number, because 52241391 - 2¹³ = 52233199 is a prime.

It is a super-2 number, since 2×52241391² = 5458325867229762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52241311) 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, 170571 + ... + 170876.

It is an arithmetic number, because the mean of its divisors is an integer number (6658236).

Almost surely, 2^52241391 is an apocalyptic number.

52241391 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52241391 is a deficient number, since it is larger than the sum of its proper divisors (27657441).

52241391 is a wasteful number, since it uses less digits than its factorization.

52241391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341470 (or 341467 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 52241391 is about 7227.8206258872. The cubic root of 52241391 is about 373.8277849161.

The spelling of 52241391 in words is "fifty-two million, two hundred forty-one thousand, three hundred ninety-one".