87206053 has 4 divisors (see below), whose sum is σ = 95133888. Its totient is φ = 79278220.

The previous prime is 87206047. The next prime is 87206099. The reversal of 87206053 is 35060278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87206053 - 2¹³ = 87197861 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 (87206023) 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, 3963901 + ... + 3963922.

It is an arithmetic number, because the mean of its divisors is an integer number (23783472).

Almost surely, 2^87206053 is an apocalyptic number.

It is an amenable number.

87206053 is a deficient number, since it is larger than the sum of its proper divisors (7927835).

87206053 is a wasteful number, since it uses less digits than its factorization.

87206053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927834.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 87206053 is about 9338.4181208597. The cubic root of 87206053 is about 443.4543065324.

The spelling of 87206053 in words is "eighty-seven million, two hundred six thousand, fifty-three".