1053594990 has 96 divisors (see below), whose sum is σ = 3142825920. Its totient is φ = 239887872.

The previous prime is 1053594979. The next prime is 1053594991. The reversal of 1053594990 is 994953501.

It is a happy number.

1053594990 is a `hidden beast` number, since 1 + 0 + 53 + 594 + 9 + 9 + 0 = 666.

It is a super-2 number, since 2×1053594990² = 2220124805906200200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053594991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166362 + ... + 172578.

It is an arithmetic number, because the mean of its divisors is an integer number (32737770).

Almost surely, 2^1053594990 is an apocalyptic number.

1053594990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053594990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571412960).

1053594990 is an abundant number, since it is smaller than the sum of its proper divisors (2089230930).

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

1053594990 is a wasteful number, since it uses less digits than its factorization.

1053594990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 1053594990 is about 32459.1279919840. The cubic root of 1053594990 is about 1017.5550147637. Note that the first 3 decimals are identical.

The spelling of 1053594990 in words is "one billion, fifty-three million, five hundred ninety-four thousand, nine hundred ninety".