1553140530 has 48 divisors (see below), whose sum is σ = 4177419480. Its totient is φ = 399888384.

The previous prime is 1553140499. The next prime is 1553140613. The reversal of 1553140530 is 350413551.

It can be written as a sum of positive squares in 4 ways, for example, as 777907881 + 775232649 = 27891^2 + 27843^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1553140494 and 1553140503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294927 + ... + 300146.

Almost surely, 2^1553140530 is an apocalyptic number.

1553140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553140530 is an abundant number, since it is smaller than the sum of its proper divisors (2624278950).

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

1553140530 is a wasteful number, since it uses less digits than its factorization.

1553140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595115 (or 595112 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1553140530 is about 39409.9039582692. The cubic root of 1553140530 is about 1158.0756167791.

The spelling of 1553140530 in words is "one billion, five hundred fifty-three million, one hundred forty thousand, five hundred thirty".