55102065 has 32 divisors (see below), whose sum is σ = 91535616. Its totient is φ = 28281600.

The previous prime is 55102063. The next prime is 55102067. The reversal of 55102065 is 56020155.

It is an interprime number because it is at equal distance from previous prime (55102063) and next prime (55102067).

It is not a de Polignac number, because 55102065 - 2¹ = 55102063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55102063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55564 + ... + 56546.

It is an arithmetic number, because the mean of its divisors is an integer number (2860488).

Almost surely, 2^55102065 is an apocalyptic number.

It is an amenable number.

55102065 is a deficient number, since it is larger than the sum of its proper divisors (36433551).

55102065 is a wasteful number, since it uses less digits than its factorization.

55102065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55102065 is about 7423.0765185333. The cubic root of 55102065 is about 380.5303421313.

The spelling of 55102065 in words is "fifty-five million, one hundred two thousand, sixty-five".