1055553363 has 18 divisors (see below), whose sum is σ = 1583259444. Its totient is φ = 703697868.

The previous prime is 1055553361. The next prime is 1055553403. The reversal of 1055553363 is 3633555501.

1055553363 is a `hidden beast` number, since 10 + 5 + 55 + 533 + 63 = 666.

It is not a de Polignac number, because 1055553363 - 2¹ = 1055553361 is a prime.

It is a super-2 number, since 2×1055553363² = 2228385804281219538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055553361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73881 + ... + 87002.

It is an arithmetic number, because the mean of its divisors is an integer number (87958858).

Almost surely, 2^1055553363 is an apocalyptic number.

1055553363 is a deficient number, since it is larger than the sum of its proper divisors (527706081).

1055553363 is an frugal number, since it uses more digits than its factorization.

1055553363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160907 (or 160886 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

The square root of 1055553363 is about 32489.2807399610. The cubic root of 1055553363 is about 1018.1850857369.

The spelling of 1055553363 in words is "one billion, fifty-five million, five hundred fifty-three thousand, three hundred sixty-three".