90268550 has 12 divisors (see below), whose sum is σ = 167899596. Its totient is φ = 36107400.

The previous prime is 90268547. The next prime is 90268553. The reversal of 90268550 is 5586209.

It is an interprime number because it is at equal distance from previous prime (90268547) and next prime (90268553).

It is a super-2 number, since 2×90268550² = 16296822238205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90268550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90268553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902636 + ... + 902735.

It is an arithmetic number, because the mean of its divisors is an integer number (13991633).

Almost surely, 2^90268550 is an apocalyptic number.

90268550 is a deficient number, since it is larger than the sum of its proper divisors (77631046).

90268550 is a wasteful number, since it uses less digits than its factorization.

90268550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805383 (or 1805378 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 90268550 is about 9500.9762656266. The cubic root of 90268550 is about 448.5857658435.

It can be divided in two parts, 9026 and 8550, that added together give a cube (17576 = 26³).

The spelling of 90268550 in words is "ninety million, two hundred sixty-eight thousand, five hundred fifty".