53901389 has 2 divisors, whose sum is σ = 53901390. Its totient is φ = 53901388.

The previous prime is 53901383. The next prime is 53901409. The reversal of 53901389 is 98310935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 2778889 = 7150^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 53901389 - 2¹⁶ = 53835853 is a prime.

It is a super-2 number, since 2×53901389² = 5810719472258642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53901383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950694 + 26950695.

It is an arithmetic number, because the mean of its divisors is an integer number (26950695).

Almost surely, 2^53901389 is an apocalyptic number.

It is an amenable number.

53901389 is a deficient number, since it is larger than the sum of its proper divisors (1).

53901389 is an equidigital number, since it uses as much as digits as its factorization.

53901389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 53901389 is about 7341.7565336914. The cubic root of 53901389 is about 377.7460968595.

The spelling of 53901389 in words is "fifty-three million, nine hundred one thousand, three hundred eighty-nine".