95555551 has 16 divisors (see below), whose sum is σ = 121665600. Its totient is φ = 72995328.

The previous prime is 95555549. The next prime is 95555557. The reversal of 95555551 is 15555559.

It is not a de Polignac number, because 95555551 - 2¹ = 95555549 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95555557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15466 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (7604100).

Almost surely, 2^95555551 is an apocalyptic number.

95555551 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

95555551 is a deficient number, since it is larger than the sum of its proper divisors (26110049).

95555551 is a wasteful number, since it uses less digits than its factorization.

95555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36258.

The product of its digits is 140625, while the sum is 40.

The square root of 95555551 is about 9775.2519660621. The cubic root of 95555551 is about 457.1779827595.

The spelling of 95555551 in words is "ninety-five million, five hundred fifty-five thousand, five hundred fifty-one".