550156780262055 has 16 divisors (see below), whose sum is σ = 883903341572064. Its totient is φ = 292199451755520.

The previous prime is 550156780262051. The next prime is 550156780262081. The reversal of 550156780262055 is 550262087651055.

It is a happy number.

It is not a de Polignac number, because 550156780262055 - 2² = 550156780262051 is a prime.

It is a super-2 number, since 2×550156780262055² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550156780261986 and 550156780262004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550156780262051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76093603614 + ... + 76093610843.

It is an arithmetic number, because the mean of its divisors is an integer number (55243958848254).

Almost surely, 2^{550156780262055} is an apocalyptic number.

550156780262055 is a deficient number, since it is larger than the sum of its proper divisors (333746561310009).

550156780262055 is a wasteful number, since it uses less digits than its factorization.

550156780262055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152187214706.

The product of its (nonzero) digits is 25200000, while the sum is 57.

The spelling of 550156780262055 in words is "five hundred fifty trillion, one hundred fifty-six billion, seven hundred eighty million, two hundred sixty-two thousand, fifty-five".