55102345 has 8 divisors (see below), whose sum is σ = 68256000. Its totient is φ = 42659760.

The previous prime is 55102343. The next prime is 55102357. The reversal of 55102345 is 54320155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55102345 - 2¹ = 55102343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55102343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177595 + ... + 177904.

It is an arithmetic number, because the mean of its divisors is an integer number (8532000).

Almost surely, 2^55102345 is an apocalyptic number.

It is an amenable number.

55102345 is a deficient number, since it is larger than the sum of its proper divisors (13153655).

55102345 is a wasteful number, since it uses less digits than its factorization.

55102345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355535.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55102345 is about 7423.0953786140. The cubic root of 55102345 is about 380.5309866825.

It can be divided in two parts, 55 and 102345, that added together give a square (102400 = 320²).

The spelling of 55102345 in words is "fifty-five million, one hundred two thousand, three hundred forty-five".