553662156 has 24 divisors (see below), whose sum is σ = 1294156864. Its totient is φ = 184228560.

The previous prime is 553662143. The next prime is 553662157. The reversal of 553662156 is 651266355.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (553662157) 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, 33550 + ... + 47253.

Almost surely, 2^553662156 is an apocalyptic number.

It is an amenable number.

553662156 is an abundant number, since it is smaller than the sum of its proper divisors (740494708).

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

553662156 is a wasteful number, since it uses less digits than its factorization.

553662156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81381 (or 81379 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 553662156 is about 23530.0266893176. The cubic root of 553662156 is about 821.1357235079.

The spelling of 553662156 in words is "five hundred fifty-three million, six hundred sixty-two thousand, one hundred fifty-six".