55755061 has 2 divisors, whose sum is σ = 55755062. Its totient is φ = 55755060.

The previous prime is 55755031. The next prime is 55755067. The reversal of 55755061 is 16055755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 5202961 = 7110^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 55755061 - 2¹³ = 55746869 is a prime.

It is a super-2 number, since 2×55755061² = 6217253654227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55755067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877530 + 27877531.

It is an arithmetic number, because the mean of its divisors is an integer number (27877531).

Almost surely, 2^55755061 is an apocalyptic number.

It is an amenable number.

55755061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55755061 is an equidigital number, since it uses as much as digits as its factorization.

55755061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 55755061 is about 7466.9311634700. The cubic root of 55755061 is about 382.0276219713.

The spelling of 55755061 in words is "fifty-five million, seven hundred fifty-five thousand, sixty-one".