7550427157 has 64 divisors (see below), whose sum is σ = 10003947520. Its totient is φ = 5532655104.

The previous prime is 7550427151. The next prime is 7550427161. The reversal of 7550427157 is 7517240557.

It is a cyclic number.

It is not a de Polignac number, because 7550427157 - 2³ = 7550427149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7550427151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20573188 + ... + 20573554.

It is an arithmetic number, because the mean of its divisors is an integer number (156311680).

Almost surely, 2^7550427157 is an apocalyptic number.

It is an amenable number.

7550427157 is a deficient number, since it is larger than the sum of its proper divisors (2453520363).

7550427157 is a wasteful number, since it uses less digits than its factorization.

7550427157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 343000, while the sum is 43.

The square root of 7550427157 is about 86893.1939624733. The cubic root of 7550427157 is about 1961.8110392774.

The spelling of 7550427157 in words is "seven billion, five hundred fifty million, four hundred twenty-seven thousand, one hundred fifty-seven".