557734155 has 16 divisors (see below), whose sum is σ = 973499904. Its totient is φ = 270416480.

The previous prime is 557734129. The next prime is 557734157. The reversal of 557734155 is 551437755.

It is not a de Polignac number, because 557734155 - 2¹⁰ = 557733131 is a prime.

It is a super-2 number, since 2×557734155² = 622134775307128050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557734157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689939 + ... + 1690268.

It is an arithmetic number, because the mean of its divisors is an integer number (60843744).

Almost surely, 2^557734155 is an apocalyptic number.

557734155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557734155 is a deficient number, since it is larger than the sum of its proper divisors (415765749).

557734155 is a wasteful number, since it uses less digits than its factorization.

557734155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380226.

The product of its digits is 367500, while the sum is 42.

The square root of 557734155 is about 23616.3958935313. The cubic root of 557734155 is about 823.1438675021.

The spelling of 557734155 in words is "five hundred fifty-seven million, seven hundred thirty-four thousand, one hundred fifty-five".