1099555476 has 48 divisors (see below), whose sum is σ = 2587577664. Its totient is φ = 363396096.

The previous prime is 1099555423. The next prime is 1099555477. The reversal of 1099555476 is 6745559901.

It is a super-5 number, since 5×1099555476⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099555477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396755 + ... + 1397541.

It is an arithmetic number, because the mean of its divisors is an integer number (53907868).

Almost surely, 2^1099555476 is an apocalyptic number.

It is an amenable number.

1099555476 is an abundant number, since it is smaller than the sum of its proper divisors (1488022188).

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

1099555476 is a wasteful number, since it uses less digits than its factorization.

1099555476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 51.

The square root of 1099555476 is about 33159.5457749349. The cubic root of 1099555476 is about 1032.1410442103.

The spelling of 1099555476 in words is "one billion, ninety-nine million, five hundred fifty-five thousand, four hundred seventy-six".