553779456 has 144 divisors (see below), whose sum is σ = 1548697920. Its totient is φ = 175472640.

The previous prime is 553779431. The next prime is 553779467. The reversal of 553779456 is 654977355.

It is a junction number, because it is equal to n+sod(n) for n = 553779399 and 553779408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353780 + ... + 1354188.

Almost surely, 2^553779456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553779456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774348960).

553779456 is an abundant number, since it is smaller than the sum of its proper divisors (994918464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553779456 is a wasteful number, since it uses less digits than its factorization.

553779456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 498 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 51.

The square root of 553779456 is about 23532.5191171706. The cubic root of 553779456 is about 821.1937085793.

The spelling of 553779456 in words is "five hundred fifty-three million, seven hundred seventy-nine thousand, four hundred fifty-six".