55102351553 has 2 divisors, whose sum is σ = 55102351554. Its totient is φ = 55102351552.

The previous prime is 55102351543. The next prime is 55102351571. The reversal of 55102351553 is 35515320155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50794792129 + 4307559424 = 225377^2 + 65632^2 .

It is a cyclic number.

It is not a de Polignac number, because 55102351553 - 2¹⁶ = 55102286017 is a prime.

It is not a weakly prime, because it can be changed into another prime (55102351543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551175776 + 27551175777.

It is an arithmetic number, because the mean of its divisors is an integer number (27551175777).

Almost surely, 2^55102351553 is an apocalyptic number.

It is an amenable number.

55102351553 is a deficient number, since it is larger than the sum of its proper divisors (1).

55102351553 is an equidigital number, since it uses as much as digits as its factorization.

55102351553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56250, while the sum is 35.

The spelling of 55102351553 in words is "fifty-five billion, one hundred two million, three hundred fifty-one thousand, five hundred fifty-three".