65100055 has 16 divisors (see below), whose sum is σ = 83545344. Its totient is φ = 48524800.

The previous prime is 65100053. The next prime is 65100067. The reversal of 65100055 is 55000156.

It is not a de Polignac number, because 65100055 - 2¹ = 65100053 is a prime.

It is a super-2 number, since 2×65100055² = 8476034322006050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65099999 and 65100035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65100053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4794 + ... + 12376.

It is an arithmetic number, because the mean of its divisors is an integer number (5221584).

Almost surely, 2^65100055 is an apocalyptic number.

65100055 is a deficient number, since it is larger than the sum of its proper divisors (18445289).

65100055 is a wasteful number, since it uses less digits than its factorization.

65100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 65100055 is about 8068.4605099114. The cubic root of 65100055 is about 402.2787745636.

The spelling of 65100055 in words is "sixty-five million, one hundred thousand, fifty-five".