67540053 has 16 divisors (see below), whose sum is σ = 104077440. Its totient is φ = 38159616.

The previous prime is 67540037. The next prime is 67540069. The reversal of 67540053 is 35004576.

It is an interprime number because it is at equal distance from previous prime (67540037) and next prime (67540069).

It is not a de Polignac number, because 67540053 - 2⁴ = 67540037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67540053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67540093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16200 + ... + 19937.

It is an arithmetic number, because the mean of its divisors is an integer number (6504840).

Almost surely, 2^67540053 is an apocalyptic number.

It is an amenable number.

67540053 is a deficient number, since it is larger than the sum of its proper divisors (36537387).

67540053 is a wasteful number, since it uses less digits than its factorization.

67540053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36236.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 67540053 is about 8218.2755490431. The cubic root of 67540053 is about 407.2431603202.

The spelling of 67540053 in words is "sixty-seven million, five hundred forty thousand, fifty-three".