53723769 has 16 divisors (see below), whose sum is σ = 78285504. Its totient is φ = 32500800.

The previous prime is 53723767. The next prime is 53723771. The reversal of 53723769 is 96732735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53723767) and next prime (53723771).

It is not a de Polignac number, because 53723769 - 2¹ = 53723767 is a prime.

It is a super-2 number, since 2×53723769² = 5772486711130722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53723769.

It is not an unprimeable number, because it can be changed into a prime (53723767) 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, 23079 + ... + 25299.

It is an arithmetic number, because the mean of its divisors is an integer number (4892844).

Almost surely, 2^53723769 is an apocalyptic number.

It is an amenable number.

53723769 is a deficient number, since it is larger than the sum of its proper divisors (24561735).

53723769 is a wasteful number, since it uses less digits than its factorization.

53723769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968.

The product of its digits is 238140, while the sum is 42.

The square root of 53723769 is about 7329.6499916435. The cubic root of 53723769 is about 377.3307142670.

The spelling of 53723769 in words is "fifty-three million, seven hundred twenty-three thousand, seven hundred sixty-nine".