52450531 has 16 divisors (see below), whose sum is σ = 63288000. Its totient is φ = 43399104.

The previous prime is 52450513. The next prime is 52450537. The reversal of 52450531 is 13505425.

It is not a de Polignac number, because 52450531 - 2⁵ = 52450499 is a prime.

It is a super-2 number, since 2×52450531² = 5502116404363922, 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 = 52450496 and 52450505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52450537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7311 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (3955500).

Almost surely, 2^52450531 is an apocalyptic number.

52450531 is a deficient number, since it is larger than the sum of its proper divisors (10837469).

52450531 is an equidigital number, since it uses as much as digits as its factorization.

52450531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323 (or 5309 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52450531 is about 7242.2738832497. The cubic root of 52450531 is about 374.3259738217.

Adding to 52450531 its reverse (13505425), we get a palindrome (65955956).

The spelling of 52450531 in words is "fifty-two million, four hundred fifty thousand, five hundred thirty-one".