53777667019 has 8 divisors (see below), whose sum is σ = 56070120960. Its totient is φ = 51514416576.

The previous prime is 53777667011. The next prime is 53777667037. The reversal of 53777667019 is 91076677735.

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 53777667019 - 2³ = 53777667011 is a prime.

It is a super-2 number, since 2×53777667019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53777667011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7297114 + ... + 7304479.

It is an arithmetic number, because the mean of its divisors is an integer number (7008765120).

Almost surely, 2^53777667019 is an apocalyptic number.

53777667019 is a deficient number, since it is larger than the sum of its proper divisors (2292453941).

53777667019 is a wasteful number, since it uses less digits than its factorization.

53777667019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601749.

The product of its (nonzero) digits is 11668860, while the sum is 58.

The spelling of 53777667019 in words is "fifty-three billion, seven hundred seventy-seven million, six hundred sixty-seven thousand, nineteen".