1553054253 has 8 divisors (see below), whose sum is σ = 2074700448. Its totient is φ = 1033388784.

The previous prime is 1553054233. The next prime is 1553054257. The reversal of 1553054253 is 3524503551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1553054253 - 2⁵ = 1553054221 is a prime.

It is a super-2 number, since 2×1553054253² = 4823955025522776018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553054257) 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, 493350 + ... + 496487.

It is an arithmetic number, because the mean of its divisors is an integer number (259337556).

Almost surely, 2^1553054253 is an apocalyptic number.

It is an amenable number.

1553054253 is a deficient number, since it is larger than the sum of its proper divisors (521646195).

1553054253 is an equidigital number, since it uses as much as digits as its factorization.

1553054253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990363.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 1553054253 is about 39408.8093324323. The cubic root of 1553054253 is about 1158.0541726710.

The spelling of 1553054253 in words is "one billion, five hundred fifty-three million, fifty-four thousand, two hundred fifty-three".