55881107 has 2 divisors, whose sum is σ = 55881108. Its totient is φ = 55881106.

The previous prime is 55881101. The next prime is 55881113. The reversal of 55881107 is 70118855.

It is a balanced prime because it is at equal distance from previous prime (55881101) and next prime (55881113).

It is a cyclic number.

It is not a de Polignac number, because 55881107 - 2⁶ = 55881043 is a prime.

It is not a weakly prime, because it can be changed into another prime (55881101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27940553 + 27940554.

It is an arithmetic number, because the mean of its divisors is an integer number (27940554).

Almost surely, 2^55881107 is an apocalyptic number.

55881107 is a deficient number, since it is larger than the sum of its proper divisors (1).

55881107 is an equidigital number, since it uses as much as digits as its factorization.

55881107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 55881107 is about 7475.3666799696. The cubic root of 55881107 is about 382.3152898026.

The spelling of 55881107 in words is "fifty-five million, eight hundred eighty-one thousand, one hundred seven".