53137506 has 8 divisors (see below), whose sum is σ = 106275024. Its totient is φ = 17712500.

The previous prime is 53137489. The next prime is 53137507. The reversal of 53137506 is 60573135.

It is a sphenic number, since it is the product of 3 distinct primes.

53137506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53137507) 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 3 ways as a sum of consecutive naturals, for example, 4428120 + ... + 4428131.

It is an arithmetic number, because the mean of its divisors is an integer number (13284378).

Almost surely, 2^53137506 is an apocalyptic number.

53137506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53137506 is a wasteful number, since it uses less digits than its factorization.

53137506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856256.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 53137506 is about 7289.5477225957. The cubic root of 53137506 is about 375.9531450970.

The spelling of 53137506 in words is "fifty-three million, one hundred thirty-seven thousand, five hundred six".