87055535 has 32 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 57214080.

The previous prime is 87055531. The next prime is 87055543. The reversal of 87055535 is 53555078.

It is not a de Polignac number, because 87055535 - 2² = 87055531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87055531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201770 + ... + 202200.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^87055535 is an apocalyptic number.

87055535 is a deficient number, since it is larger than the sum of its proper divisors (37360465).

87055535 is a wasteful number, since it uses less digits than its factorization.

87055535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 87055535 is about 9330.3555666437. The cubic root of 87055535 is about 443.1990249618.

The spelling of 87055535 in words is "eighty-seven million, fifty-five thousand, five hundred thirty-five".