1055469550 has 12 divisors (see below), whose sum is σ = 1963173456. Its totient is φ = 422187800.

The previous prime is 1055469479. The next prime is 1055469581. The reversal of 1055469550 is 559645501.

It is a super-2 number, since 2×1055469550² = 2228031941954405000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10554646 + ... + 10554745.

It is an arithmetic number, because the mean of its divisors is an integer number (163597788).

Almost surely, 2^1055469550 is an apocalyptic number.

1055469550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055469550 is a deficient number, since it is larger than the sum of its proper divisors (907703906).

1055469550 is a wasteful number, since it uses less digits than its factorization.

1055469550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21109403 (or 21109398 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 1055469550 is about 32487.9908581617. The cubic root of 1055469550 is about 1018.1581363950.

The spelling of 1055469550 in words is "one billion, fifty-five million, four hundred sixty-nine thousand, five hundred fifty".