53726031 has 16 divisors (see below), whose sum is σ = 81537120. Its totient is φ = 34943040.

The previous prime is 53726017. The next prime is 53726033. The reversal of 53726031 is 13062735.

It is a happy number.

53726031 is a `hidden beast` number, since 53 + 7 + 2 + 603 + 1 = 666.

It is not a de Polignac number, because 53726031 - 2¹¹ = 53723983 is a prime.

It is a super-2 number, since 2×53726031² = 5772972814025922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53725986 and 53726004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53726033) 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, 23160 + ... + 25373.

It is an arithmetic number, because the mean of its divisors is an integer number (5096070).

Almost surely, 2^53726031 is an apocalyptic number.

53726031 is a deficient number, since it is larger than the sum of its proper divisors (27811089).

53726031 is a wasteful number, since it uses less digits than its factorization.

53726031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48583 (or 48577 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53726031 is about 7329.8042947953. The cubic root of 53726031 is about 377.3360099373.

Adding to 53726031 its reverse (13062735), we get a palindrome (66788766).

The spelling of 53726031 in words is "fifty-three million, seven hundred twenty-six thousand, thirty-one".