553922394 has 16 divisors (see below), whose sum is σ = 1123021632. Its totient is φ = 182111328.

The previous prime is 553922393. The next prime is 553922437. The reversal of 553922394 is 493229355.

It is not an unprimeable number, because it can be changed into a prime (553922393) 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, 631894 + ... + 632769.

It is an arithmetic number, because the mean of its divisors is an integer number (70188852).

Almost surely, 2^553922394 is an apocalyptic number.

553922394 is an abundant number, since it is smaller than the sum of its proper divisors (569099238).

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

553922394 is a wasteful number, since it uses less digits than its factorization.

553922394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264741.

The product of its digits is 291600, while the sum is 42.

The square root of 553922394 is about 23535.5559526432. Note that the first 3 decimals coincide. The cubic root of 553922394 is about 821.2643562517.

The spelling of 553922394 in words is "five hundred fifty-three million, nine hundred twenty-two thousand, three hundred ninety-four".