1553042000 has 40 divisors (see below), whose sum is σ = 3755260392. Its totient is φ = 621216000.

The previous prime is 1553041981. The next prime is 1553042027. The reversal of 1553042000 is 2403551.

1553042000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 231283264 + 1321758736 = 15208^2 + 36356^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386261 + ... + 390260.

Almost surely, 2^1553042000 is an apocalyptic number.

1553042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553042000 is an abundant number, since it is smaller than the sum of its proper divisors (2202218392).

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

1553042000 is an equidigital number, since it uses as much as digits as its factorization.

1553042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776544 (or 776528 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1553042000 is about 39408.6538719607. The cubic root of 1553042000 is about 1158.0511271292.

Adding to 1553042000 its reverse (2403551), we get a palindrome (1555445551).

The spelling of 1553042000 in words is "one billion, five hundred fifty-three million, forty-two thousand".