15554555053 has 2 divisors, whose sum is σ = 15554555054. Its totient is φ = 15554555052.

The previous prime is 15554554999. The next prime is 15554555057. The reversal of 15554555053 is 35055545551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12570445924 + 2984109129 = 112118^2 + 54627^2 .

It is a cyclic number.

It is not a de Polignac number, because 15554555053 - 2¹⁷ = 15554423981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15554555057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7777277526 + 7777277527.

It is an arithmetic number, because the mean of its divisors is an integer number (7777277527).

Almost surely, 2^15554555053 is an apocalyptic number.

It is an amenable number.

15554555053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15554555053 is an equidigital number, since it uses as much as digits as its factorization.

15554555053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 937500, while the sum is 43.

The spelling of 15554555053 in words is "fifteen billion, five hundred fifty-four million, five hundred fifty-five thousand, fifty-three".