53901623 has 2 divisors, whose sum is σ = 53901624. Its totient is φ = 53901622.

The previous prime is 53901599. The next prime is 53901641. The reversal of 53901623 is 32610935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53901623 - 2¹² = 53897527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53901643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950811 + 26950812.

It is an arithmetic number, because the mean of its divisors is an integer number (26950812).

Almost surely, 2^53901623 is an apocalyptic number.

53901623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53901623 is an equidigital number, since it uses as much as digits as its factorization.

53901623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53901623 is about 7341.7724699149. The cubic root of 53901623 is about 377.7466434902.

The spelling of 53901623 in words is "fifty-three million, nine hundred one thousand, six hundred twenty-three".