55506650371 has 2 divisors, whose sum is σ = 55506650372. Its totient is φ = 55506650370.

The previous prime is 55506650363. The next prime is 55506650431. The reversal of 55506650371 is 17305660555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55506650371 - 2³ = 55506650363 is a prime.

It is not a weakly prime, because it can be changed into another prime (55506650471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27753325185 + 27753325186.

It is an arithmetic number, because the mean of its divisors is an integer number (27753325186).

Almost surely, 2^55506650371 is an apocalyptic number.

55506650371 is a deficient number, since it is larger than the sum of its proper divisors (1).

55506650371 is an equidigital number, since it uses as much as digits as its factorization.

55506650371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 43.

The spelling of 55506650371 in words is "fifty-five billion, five hundred six million, six hundred fifty thousand, three hundred seventy-one".