90550152 has 96 divisors (see below), whose sum is σ = 305772480. Its totient is φ = 23518080.

The previous prime is 90550147. The next prime is 90550157. The reversal of 90550152 is 25105509.

It is an interprime number because it is at equal distance from previous prime (90550147) and next prime (90550157).

It is not an unprimeable number, because it can be changed into a prime (90550157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2623 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (3185130).

Almost surely, 2^90550152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90550152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152886240).

90550152 is an abundant number, since it is smaller than the sum of its proper divisors (215222328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90550152 is a wasteful number, since it uses less digits than its factorization.

90550152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363 (or 16356 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 90550152 is about 9515.7843607345. The cubic root of 90550152 is about 449.0517513840.

The spelling of 90550152 in words is "ninety million, five hundred fifty thousand, one hundred fifty-two".