53563719 has 16 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 30552960.

The previous prime is 53563661. The next prime is 53563721. The reversal of 53563719 is 91736535.

It is not a de Polignac number, because 53563719 - 2¹³ = 53555527 is a prime.

It is a super-2 number, since 2×53563719² = 5738143986221922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53563739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47179 + ... + 48300.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^53563719 is an apocalyptic number.

53563719 is a deficient number, since it is larger than the sum of its proper divisors (28931001).

53563719 is a wasteful number, since it uses less digits than its factorization.

53563719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95510.

The product of its digits is 85050, while the sum is 39.

The square root of 53563719 is about 7318.7238641720. The cubic root of 53563719 is about 376.9556360163.

The spelling of 53563719 in words is "fifty-three million, five hundred sixty-three thousand, seven hundred nineteen".