550156151601 has 64 divisors (see below), whose sum is σ = 965209907200. Its totient is φ = 303176659968.

The previous prime is 550156151599. The next prime is 550156151653. The reversal of 550156151601 is 106151651055.

It is a happy number.

550156151601 is a `hidden beast` number, since 550 + 1 + 56 + 1 + 51 + 6 + 0 + 1 = 666.

It is not a de Polignac number, because 550156151601 - 2¹ = 550156151599 is a prime.

It is a super-2 number, since 2×550156151601² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550156159601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213585 + ... + 1070481.

It is an arithmetic number, because the mean of its divisors is an integer number (15081404800).

Almost surely, 2^550156151601 is an apocalyptic number.

It is an amenable number.

550156151601 is a deficient number, since it is larger than the sum of its proper divisors (415053755599).

550156151601 is a wasteful number, since it uses less digits than its factorization.

550156151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857035 (or 857029 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 550156151601 in words is "five hundred fifty billion, one hundred fifty-six million, one hundred fifty-one thousand, six hundred one".