53325137 has 4 divisors (see below), whose sum is σ = 53341860. Its totient is φ = 53308416.

The previous prime is 53325131. The next prime is 53325143. The reversal of 53325137 is 73152335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73152335 = 5 ⋅14630467.

It is an interprime number because it is at equal distance from previous prime (53325131) and next prime (53325143).

It can be written as a sum of positive squares in 2 ways, for example, as 29986576 + 23338561 = 5476^2 + 4831^2 .

It is a cyclic number.

It is not a de Polignac number, because 53325137 - 2¹⁰ = 53324113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53325131) 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, 1928 + ... + 10505.

It is an arithmetic number, because the mean of its divisors is an integer number (13335465).

Almost surely, 2^53325137 is an apocalyptic number.

It is an amenable number.

53325137 is a deficient number, since it is larger than the sum of its proper divisors (16723).

53325137 is a wasteful number, since it uses less digits than its factorization.

53325137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722.

The product of its digits is 9450, while the sum is 29.

The square root of 53325137 is about 7302.4062472585. The cubic root of 53325137 is about 376.3951279521.

The spelling of 53325137 in words is "fifty-three million, three hundred twenty-five thousand, one hundred thirty-seven".