55726101 has 12 divisors (see below), whose sum is σ = 80945280. Its totient is φ = 36942120.

The previous prime is 55726091. The next prime is 55726109. The reversal of 55726101 is 10162755.

55726101 is a `hidden beast` number, since 557 + 2 + 6 + 101 = 666.

It is not a de Polignac number, because 55726101 - 2⁶ = 55726037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55726109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15685 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (6745440).

Almost surely, 2^55726101 is an apocalyptic number.

It is an amenable number.

55726101 is a deficient number, since it is larger than the sum of its proper divisors (25219179).

55726101 is a wasteful number, since it uses less digits than its factorization.

55726101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34773 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55726101 is about 7464.9916945701. The cubic root of 55726101 is about 381.9614669245.

Adding to 55726101 its reverse (10162755), we get a palindrome (65888856).

The spelling of 55726101 in words is "fifty-five million, seven hundred twenty-six thousand, one hundred one".