53372381 has 2 divisors, whose sum is σ = 53372382. Its totient is φ = 53372380.

The previous prime is 53372369. The next prime is 53372393. The reversal of 53372381 is 18327335.

It is a balanced prime because it is at equal distance from previous prime (53372369) and next prime (53372393).

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 3740356 = 7045^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 53372381 - 2⁶ = 53372317 is a prime.

It is a super-2 number, since 2×53372381² = 5697222107218322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53372281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26686190 + 26686191.

It is an arithmetic number, because the mean of its divisors is an integer number (26686191).

Almost surely, 2^53372381 is an apocalyptic number.

It is an amenable number.

53372381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53372381 is an equidigital number, since it uses as much as digits as its factorization.

53372381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 53372381 is about 7305.6403552324. The cubic root of 53372381 is about 376.5062522955.

The spelling of 53372381 in words is "fifty-three million, three hundred seventy-two thousand, three hundred eighty-one".