53350531 has 4 divisors (see below), whose sum is σ = 57454432. Its totient is φ = 49246632.

The previous prime is 53350529. The next prime is 53350543. The reversal of 53350531 is 13505335.

It is a happy number.

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 53350531 - 2¹ = 53350529 is a prime.

It is a super-2 number, since 2×53350531² = 5692558315963922, 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 = 53350496 and 53350505.

It is not an unprimeable number, because it can be changed into a prime (53350511) 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, 2051931 + ... + 2051956.

It is an arithmetic number, because the mean of its divisors is an integer number (14363608).

Almost surely, 2^53350531 is an apocalyptic number.

53350531 is a deficient number, since it is larger than the sum of its proper divisors (4103901).

53350531 is a wasteful number, since it uses less digits than its factorization.

53350531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103900.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 53350531 is about 7304.1447822452. The cubic root of 53350531 is about 376.4548662643.

Adding to 53350531 its reverse (13505335), we get a palindrome (66855866).

The spelling of 53350531 in words is "fifty-three million, three hundred fifty thousand, five hundred thirty-one".