1088553420 has 36 divisors (see below), whose sum is σ = 3301945920. Its totient is φ = 290280864.

The previous prime is 1088553359. The next prime is 1088553421. The reversal of 1088553420 is 243558801.

It is a happy number.

1088553420 is a `hidden beast` number, since 1 + 0 + 88 + 553 + 4 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1088553421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3023580 + ... + 3023939.

It is an arithmetic number, because the mean of its divisors is an integer number (91720720).

Almost surely, 2^1088553420 is an apocalyptic number.

1088553420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1088553420 is an abundant number, since it is smaller than the sum of its proper divisors (2213392500).

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

1088553420 is a wasteful number, since it uses less digits than its factorization.

1088553420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047534 (or 6047529 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1088553420 is about 32993.2329425293. The cubic root of 1088553420 is about 1028.6869937943.

The spelling of 1088553420 in words is "one billion, eighty-eight million, five hundred fifty-three thousand, four hundred twenty".