55552345 has 16 divisors (see below), whose sum is σ = 72230400. Its totient is φ = 40852224.

The previous prime is 55552331. The next prime is 55552351. The reversal of 55552345 is 54325555.

It is a de Polignac number, because none of the positive numbers 2^k-55552345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55552345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (4514400).

Almost surely, 2^55552345 is an apocalyptic number.

It is an amenable number.

55552345 is a deficient number, since it is larger than the sum of its proper divisors (16678055).

55552345 is a wasteful number, since it uses less digits than its factorization.

55552345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264.

The product of its digits is 75000, while the sum is 34.

The square root of 55552345 is about 7453.3445512736. The cubic root of 55552345 is about 381.5640637055.

It can be divided in two parts, 555 and 52345, that added together give a square (52900 = 230²).

The spelling of 55552345 in words is "fifty-five million, five hundred fifty-two thousand, three hundred forty-five".