55883749 has 2 divisors, whose sum is σ = 55883750. Its totient is φ = 55883748.

The previous prime is 55883689. The next prime is 55883753. The reversal of 55883749 is 94738855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 1020100 = 7407^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 55883749 - 2¹¹ = 55881701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55883759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27941874 + 27941875.

It is an arithmetic number, because the mean of its divisors is an integer number (27941875).

Almost surely, 2^55883749 is an apocalyptic number.

It is an amenable number.

55883749 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883749 is an equidigital number, since it uses as much as digits as its factorization.

55883749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 55883749 is about 7475.5433916204. The cubic root of 55883749 is about 382.3213148627.

The spelling of 55883749 in words is "fifty-five million, eight hundred eighty-three thousand, seven hundred forty-nine".