53346157 has 4 divisors (see below), whose sum is σ = 53364636. Its totient is φ = 53327680.

The previous prime is 53346113. The next prime is 53346169. The reversal of 53346157 is 75164335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48706441 + 4639716 = 6979^2 + 2154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53346157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53346857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (13341159).

Almost surely, 2^53346157 is an apocalyptic number.

It is an amenable number.

53346157 is a deficient number, since it is larger than the sum of its proper divisors (18479).

53346157 is a wasteful number, since it uses less digits than its factorization.

53346157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478.

The product of its digits is 37800, while the sum is 34.

The square root of 53346157 is about 7303.8453570705. The cubic root of 53346157 is about 376.4445779657. Note that the first 3 decimals are identical.

The spelling of 53346157 in words is "fifty-three million, three hundred forty-six thousand, one hundred fifty-seven".