87553093 has 4 divisors (see below), whose sum is σ = 88661440. Its totient is φ = 86444748.

The previous prime is 87553069. The next prime is 87553183. The reversal of 87553093 is 39035578.

It is a happy number.

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 87553093 - 2²¹ = 85455941 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 (87553003) 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, 554055 + ... + 554212.

It is an arithmetic number, because the mean of its divisors is an integer number (22165360).

Almost surely, 2^87553093 is an apocalyptic number.

It is an amenable number.

87553093 is a deficient number, since it is larger than the sum of its proper divisors (1108347).

87553093 is a wasteful number, since it uses less digits than its factorization.

87553093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108346.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 87553093 is about 9356.9809767895. The cubic root of 87553093 is about 444.0417760248.

The spelling of 87553093 in words is "eighty-seven million, five hundred fifty-three thousand, ninety-three".