1553156048 has 40 divisors (see below), whose sum is σ = 3110800896. Its totient is φ = 750441600.

The previous prime is 1553156047. The next prime is 1553156051. The reversal of 1553156048 is 8406513551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553156047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421253 + ... + 424923.

Almost surely, 2^1553156048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1553156048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555400448).

1553156048 is an abundant number, since it is smaller than the sum of its proper divisors (1557644848).

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

1553156048 is a wasteful number, since it uses less digits than its factorization.

1553156048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 1553156048 is about 39410.1008372219. The cubic root of 1553156048 is about 1158.0794736865.

Adding to 1553156048 its reverse (8406513551), we get a palindrome (9959669599).

The spelling of 1553156048 in words is "one billion, five hundred fifty-three million, one hundred fifty-six thousand, forty-eight".