88155061 has 4 divisors (see below), whose sum is σ = 88173900. Its totient is φ = 88136224.

The previous prime is 88155017. The next prime is 88155077. The reversal of 88155061 is 16055188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64096036 + 24059025 = 8006^2 + 4905^2 .

It is a cyclic number.

It is not a de Polignac number, because 88155061 - 2¹⁷ = 88023989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88155161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (22043475).

Almost surely, 2^88155061 is an apocalyptic number.

It is an amenable number.

88155061 is a deficient number, since it is larger than the sum of its proper divisors (18839).

88155061 is a wasteful number, since it uses less digits than its factorization.

88155061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18838.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 88155061 is about 9389.0926611681. The cubic root of 88155061 is about 445.0571167691.

The spelling of 88155061 in words is "eighty-eight million, one hundred fifty-five thousand, sixty-one".