55940751469 has 2 divisors, whose sum is σ = 55940751470. Its totient is φ = 55940751468.

The previous prime is 55940751379. The next prime is 55940751473. The reversal of 55940751469 is 96415704955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39700562500 + 16240188969 = 199250^2 + 127437^2 .

It is a cyclic number.

It is not a de Polignac number, because 55940751469 - 2⁷ = 55940751341 is a prime.

It is a super-3 number, since 3×55940751469³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55943751469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27970375734 + 27970375735.

It is an arithmetic number, because the mean of its divisors is an integer number (27970375735).

Almost surely, 2^55940751469 is an apocalyptic number.

It is an amenable number.

55940751469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55940751469 is an equidigital number, since it uses as much as digits as its factorization.

55940751469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 55940751469 in words is "fifty-five billion, nine hundred forty million, seven hundred fifty-one thousand, four hundred sixty-nine".