90552055870 has 16 divisors (see below), whose sum is σ = 164825092080. Its totient is φ = 35813846464.

The previous prime is 90552055799. The next prime is 90552055877. The reversal of 90552055870 is 7855025509.

It is a self number, because there is not a number n which added to its sum of digits gives 90552055870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90552055877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50871052 + ... + 50872831.

It is an arithmetic number, because the mean of its divisors is an integer number (10301568255).

Almost surely, 2^90552055870 is an apocalyptic number.

90552055870 is a deficient number, since it is larger than the sum of its proper divisors (74273036210).

90552055870 is a wasteful number, since it uses less digits than its factorization.

90552055870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101743979.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 90552055870 in words is "ninety billion, five hundred fifty-two million, fifty-five thousand, eight hundred seventy".