55151455069 has 2 divisors, whose sum is σ = 55151455070. Its totient is φ = 55151455068.

The previous prime is 55151455033. The next prime is 55151455103. The reversal of 55151455069 is 96055415155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51234322500 + 3917132569 = 226350^2 + 62587^2 .

It is a cyclic number.

It is not a de Polignac number, because 55151455069 - 2¹³ = 55151446877 is a prime.

It is a super-2 number, since 2×55151455069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55151455769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575727534 + 27575727535.

It is an arithmetic number, because the mean of its divisors is an integer number (27575727535).

Almost surely, 2^55151455069 is an apocalyptic number.

It is an amenable number.

55151455069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55151455069 is an equidigital number, since it uses as much as digits as its factorization.

55151455069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 55151455069 in words is "fifty-five billion, one hundred fifty-one million, four hundred fifty-five thousand, sixty-nine".