53914639 has 2 divisors, whose sum is σ = 53914640. Its totient is φ = 53914638.

The previous prime is 53914603. The next prime is 53914657. The reversal of 53914639 is 93641935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53914639 - 2⁹ = 53914127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53914669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26957319 + 26957320.

It is an arithmetic number, because the mean of its divisors is an integer number (26957320).

Almost surely, 2^53914639 is an apocalyptic number.

53914639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53914639 is an equidigital number, since it uses as much as digits as its factorization.

53914639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 53914639 is about 7342.6588508523. The cubic root of 53914639 is about 377.7770467466. Note that the first 3 decimals are identical.

The spelling of 53914639 in words is "fifty-three million, nine hundred fourteen thousand, six hundred thirty-nine".