53361031 has 4 divisors (see below), whose sum is σ = 54235864. Its totient is φ = 52486200.

The previous prime is 53361023. The next prime is 53361041. The reversal of 53361031 is 13016335.

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 53361031 - 2³ = 53361023 is a prime.

It is a super-2 number, since 2×53361031² = 5694799258765922, 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 = 53360993 and 53361011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53361041) 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, 437325 + ... + 437446.

It is an arithmetic number, because the mean of its divisors is an integer number (13558966).

Almost surely, 2^53361031 is an apocalyptic number.

53361031 is a deficient number, since it is larger than the sum of its proper divisors (874833).

53361031 is an equidigital number, since it uses as much as digits as its factorization.

53361031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874832.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 53361031 is about 7304.8635168633. The cubic root of 53361031 is about 376.4795615312.

Adding to 53361031 its reverse (13016335), we get a palindrome (66377366).

The spelling of 53361031 in words is "fifty-three million, three hundred sixty-one thousand, thirty-one".