1553420053 has 2 divisors, whose sum is σ = 1553420054. Its totient is φ = 1553420052.

The previous prime is 1553420051. The next prime is 1553420059. The reversal of 1553420053 is 3500243551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891798769 + 661621284 = 29863^2 + 25722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553420053 - 2¹ = 1553420051 is a prime.

It is a super-2 number, since 2×1553420053² = 4826227722125045618, which contains 22 as substring.

Together with 1553420051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553420051) by changing a digit.

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, 776710026 + 776710027.

It is an arithmetic number, because the mean of its divisors is an integer number (776710027).

Almost surely, 2^1553420053 is an apocalyptic number.

It is an amenable number.

1553420053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553420053 is an equidigital number, since it uses as much as digits as its factorization.

1553420053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1553420053 is about 39413.4501534692. The cubic root of 1553420053 is about 1158.1450866364.

The spelling of 1553420053 in words is "one billion, five hundred fifty-three million, four hundred twenty thousand, fifty-three".