553377951979 has 4 divisors (see below), whose sum is σ = 566874975240. Its totient is φ = 539880928720.

The previous prime is 553377951953. The next prime is 553377952009. The reversal of 553377951979 is 979159773355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979159773355 = 5 ⋅195831954671.

It is a cyclic number.

It is not a de Polignac number, because 553377951979 - 2²³ = 553369563371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553377951779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748511569 + ... + 6748511650.

It is an arithmetic number, because the mean of its divisors is an integer number (141718743810).

Almost surely, 2^553377951979 is an apocalyptic number.

553377951979 is a deficient number, since it is larger than the sum of its proper divisors (13497023261).

553377951979 is a wasteful number, since it uses less digits than its factorization.

553377951979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497023260.

The product of its digits is 281302875, while the sum is 70.

The spelling of 553377951979 in words is "five hundred fifty-three billion, three hundred seventy-seven million, nine hundred fifty-one thousand, nine hundred seventy-nine".