1053021554 has 32 divisors (see below), whose sum is σ = 1752816576. Its totient is φ = 471303360.

The previous prime is 1053021533. The next prime is 1053021583. The reversal of 1053021554 is 4551203501.

It is a super-2 number, since 2×1053021554² = 2217708786377149832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316769 + ... + 320075.

It is an arithmetic number, because the mean of its divisors is an integer number (54775518).

Almost surely, 2^1053021554 is an apocalyptic number.

1053021554 is a deficient number, since it is larger than the sum of its proper divisors (699795022).

1053021554 is a wasteful number, since it uses less digits than its factorization.

1053021554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1053021554 is about 32450.2935888106. The cubic root of 1053021554 is about 1017.3703743736.

The spelling of 1053021554 in words is "one billion, fifty-three million, twenty-one thousand, five hundred fifty-four".