53050031 has 4 divisors (see below), whose sum is σ = 53689272. Its totient is φ = 52410792.

The previous prime is 53050007. The next prime is 53050037. The reversal of 53050031 is 13005035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53050031 - 2⁶ = 53049967 is a prime.

It is a super-2 number, since 2×53050031² = 5628611578201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53049991 and 53050009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53050037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319496 + ... + 319661.

It is an arithmetic number, because the mean of its divisors is an integer number (13422318).

Almost surely, 2^53050031 is an apocalyptic number.

53050031 is a deficient number, since it is larger than the sum of its proper divisors (639241).

53050031 is an equidigital number, since it uses as much as digits as its factorization.

53050031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639240.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 53050031 is about 7283.5452219369. The cubic root of 53050031 is about 375.7467336795.

Adding to 53050031 its reverse (13005035), we get a palindrome (66055066).

The spelling of 53050031 in words is "fifty-three million, fifty thousand, thirty-one".