1053065550 has 48 divisors (see below), whose sum is σ = 2667186432. Its totient is φ = 274840800.

The previous prime is 1053065549. The next prime is 1053065551. The reversal of 1053065550 is 555603501.

It is an interprime number because it is at equal distance from previous prime (1053065549) and next prime (1053065551).

It is a super-2 number, since 2×1053065550² = 2217894105193605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053065551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67636 + ... + 81735.

It is an arithmetic number, because the mean of its divisors is an integer number (55566384).

Almost surely, 2^1053065550 is an apocalyptic number.

1053065550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1053065550 is an abundant number, since it is smaller than the sum of its proper divisors (1614120882).

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

1053065550 is a wasteful number, since it uses less digits than its factorization.

1053065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149433 (or 149428 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1053065550 is about 32450.9714800651. The cubic root of 1053065550 is about 1017.3845429990.

The spelling of 1053065550 in words is "one billion, fifty-three million, sixty-five thousand, five hundred fifty".