1553103542 has 4 divisors (see below), whose sum is σ = 2329655316. Its totient is φ = 776551770.

The previous prime is 1553103523. The next prime is 1553103557. The reversal of 1553103542 is 2453013551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2453013551 = 27527 ⋅89113.

It is a super-2 number, since 2×1553103542² = 4824261224345891528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388275884 + ... + 388275887.

It is an arithmetic number, because the mean of its divisors is an integer number (582413829).

Almost surely, 2^1553103542 is an apocalyptic number.

1553103542 is a deficient number, since it is larger than the sum of its proper divisors (776551774).

1553103542 is an equidigital number, since it uses as much as digits as its factorization.

1553103542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776551773.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1553103542 is about 39409.4346825732. The cubic root of 1553103542 is about 1158.0664235262.

The spelling of 1553103542 in words is "one billion, five hundred fifty-three million, one hundred three thousand, five hundred forty-two".