550555707 has 16 divisors (see below), whose sum is σ = 801375008. Its totient is φ = 334160640.

The previous prime is 550555673. The next prime is 550555729. The reversal of 550555707 is 707555055.

It is a de Polignac number, because none of the positive numbers 2^k-550555707 is a prime.

It is a super-2 number, since 2×550555707² = 606223173020539698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550555777) 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, 93844 + ... + 99537.

It is an arithmetic number, because the mean of its divisors is an integer number (50085938).

Almost surely, 2^550555707 is an apocalyptic number.

550555707 is a deficient number, since it is larger than the sum of its proper divisors (250819301).

550555707 is a wasteful number, since it uses less digits than its factorization.

550555707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193470.

The product of its (nonzero) digits is 153125, while the sum is 39.

The square root of 550555707 is about 23463.9235210141. The cubic root of 550555707 is about 819.5971186667.

The spelling of 550555707 in words is "five hundred fifty million, five hundred fifty-five thousand, seven hundred seven".