53650997427 has 4 divisors (see below), whose sum is σ = 71534663240. Its totient is φ = 35767331616.

The previous prime is 53650997423. The next prime is 53650997431. The reversal of 53650997427 is 72479905635.

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

It is an interprime number because it is at equal distance from previous prime (53650997423) and next prime (53650997431).

It is not a de Polignac number, because 53650997427 - 2² = 53650997423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53650997423) 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, 8941832902 + ... + 8941832907.

It is an arithmetic number, because the mean of its divisors is an integer number (17883665810).

Almost surely, 2^53650997427 is an apocalyptic number.

53650997427 is a deficient number, since it is larger than the sum of its proper divisors (17883665813).

53650997427 is a wasteful number, since it uses less digits than its factorization.

53650997427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17883665812.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 53650997427 in words is "fifty-three billion, six hundred fifty million, nine hundred ninety-seven thousand, four hundred twenty-seven".