1053451944 has 48 divisors (see below), whose sum is σ = 2899883220. Its totient is φ = 345392640.

The previous prime is 1053451933. The next prime is 1053451961. The reversal of 1053451944 is 4491543501.

It is a happy number.

1053451944 is a `hidden beast` number, since 105 + 34 + 519 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 786129444 + 267322500 = 28038^2 + 16350^2 .

It is a super-2 number, since 2×1053451944² = 2219521996634758272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1053451899 and 1053451908.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115537 + ... + 124320.

Almost surely, 2^1053451944 is an apocalyptic number.

It is an amenable number.

1053451944 is an abundant number, since it is smaller than the sum of its proper divisors (1846431276).

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

1053451944 is a wasteful number, since it uses less digits than its factorization.

1053451944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239930 (or 239923 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1053451944 is about 32456.9244383999. The cubic root of 1053451944 is about 1017.5089617218.

The spelling of 1053451944 in words is "one billion, fifty-three million, four hundred fifty-one thousand, nine hundred forty-four".