1055354091 has 8 divisors (see below), whose sum is σ = 1535060544. Its totient is φ = 639608520.

The previous prime is 1055354087. The next prime is 1055354119. The reversal of 1055354091 is 1904535501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055354091 - 2² = 1055354087 is a prime.

It is a super-2 number, since 2×1055354091² = 2227544514780872562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 31980427 = 1055354091 / (1 + 0 + 5 + 5 + 3 + 5 + 4 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (1055354081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15990181 + ... + 15990246.

It is an arithmetic number, because the mean of its divisors is an integer number (191882568).

Almost surely, 2^1055354091 is an apocalyptic number.

1055354091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1055354091 is a deficient number, since it is larger than the sum of its proper divisors (479706453).

1055354091 is a wasteful number, since it uses less digits than its factorization.

1055354091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31980441.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1055354091 is about 32486.2138606517. The cubic root of 1055354091 is about 1018.1210092203.

Adding to 1055354091 its reverse (1904535501), we get a palindrome (2959889592).

The spelling of 1055354091 in words is "one billion, fifty-five million, three hundred fifty-four thousand, ninety-one".