553774320 has 400 divisors, whose sum is σ = 2226473568. Its totient is φ = 126074880.

The previous prime is 553774313. The next prime is 553774367. The reversal of 553774320 is 23477355.

553774320 is a `hidden beast` number, since 553 + 7 + 74 + 32 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1211532 + ... + 1211988.

Almost surely, 2^553774320 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 553774320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113236784).

553774320 is an abundant number, since it is smaller than the sum of its proper divisors (1672699248).

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

553774320 is a wasteful number, since it uses less digits than its factorization.

553774320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 553774320 is about 23532.4099913290. The cubic root of 553774320 is about 821.1911698648.

The spelling of 553774320 in words is "five hundred fifty-three million, seven hundred seventy-four thousand, three hundred twenty".