53370691691 has 8 divisors (see below), whose sum is σ = 55235207280. Its totient is φ = 51507785952.

The previous prime is 53370691679. The next prime is 53370691723. The reversal of 53370691691 is 19619607335.

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

It is a cyclic number.

It is not a de Polignac number, because 53370691691 - 2¹⁸ = 53370429547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53370691601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334805 + ... + 467798.

It is an arithmetic number, because the mean of its divisors is an integer number (6904400910).

Almost surely, 2^53370691691 is an apocalyptic number.

53370691691 is a deficient number, since it is larger than the sum of its proper divisors (1864515589).

53370691691 is a wasteful number, since it uses less digits than its factorization.

53370691691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804925.

The product of its (nonzero) digits is 918540, while the sum is 50.

The spelling of 53370691691 in words is "fifty-three billion, three hundred seventy million, six hundred ninety-one thousand, six hundred ninety-one".